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123231130010300 = 2252132916192018981
BaseRepresentation
bin11100000001001111111011…
…101110101100001010111100
3121011022210002022221100222102
4130001033323232230022330
5112123004323240312200
61114031333302404232
734646104165130624
oct3401177356541274
9534283068840872
10123231130010300
11362a1035297624
12119a3028130678
13539b85179b380
1422605c05a3884
15e3a7d025a6d5
hex7013fbbac2bc

123231130010300 has 144 divisors (see below), whose sum is σ = 298096231557600. Its totient is φ = 43904577561600.

The previous prime is 123231130010299. The next prime is 123231130010327. The reversal of 123231130010300 is 3010031132321.

It is a super-2 number, since 2×1232311300103002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60026810 + ... + 62045790.

It is an arithmetic number, because the mean of its divisors is an integer number (2070112719150).

Almost surely, 2123231130010300 is an apocalyptic number.

123231130010300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123231130010300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149048115778800).

123231130010300 is an abundant number, since it is smaller than the sum of its proper divisors (174865101547300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123231130010300 is a wasteful number, since it uses less digits than its factorization.

123231130010300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020656 (or 2020649 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123231130010300 its reverse (3010031132321), we get a palindrome (126241161142621).

The spelling of 123231130010300 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, one hundred thirty million, ten thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 29 50 52 58 65 100 116 130 145 260 290 325 377 580 650 725 754 1300 1450 1508 1619 1885 2900 3238 3770 6476 7540 8095 9425 16190 18850 21047 32380 37700 40475 42094 46951 80950 84188 93902 105235 161900 187804 210470 234755 420940 469510 526175 610363 939020 1052350 1173775 1220726 2018981 2104700 2347550 2441452 3051815 4037962 4695100 6103630 8075924 10094905 12207260 15259075 20189810 26246753 30518150 40379620 50474525 52493506 58550449 61036300 100949050 104987012 117100898 131233765 201898100 234201796 262467530 292752245 524935060 585504490 656168825 761155837 1171008980 1312337650 1463761225 1522311674 2624675300 2927522450 3044623348 3268730239 3805779185 5855044900 6537460478 7611558370 13074920956 15223116740 16343651195 19028895925 32687302390 38057791850 42493493107 65374604780 76115583700 81718255975 84986986214 94793176931 163436511950 169973972428 189586353862 212467465535 326873023900 379172707724 424934931070 473965884655 849869862140 947931769310 1062337327675 1232311300103 1895863538620 2124674655350 2369829423275 2464622600206 4249349310700 4739658846550 4929245200412 6161556500515 9479317693100 12323113001030 24646226002060 30807782502575 61615565005150 123231130010300