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123210132011300 = 225215751671518827
BaseRepresentation
bin11100000000111100011000…
…001001101011100100100100
3121011020202212221111111110202
4130000330120021223210210
5112122133322243330200
61114013541522410032
734644431634105635
oct3400743011534444
9534222787444422
10123210132011300
113629313a491144
121199ab47b00918
1353998864072a9
14225d58b93188c
15e39ea1aa61d5
hex700f1826b924

123210132011300 has 72 divisors (see below), whose sum is σ = 269121206223744. Its totient is φ = 48960631923840.

The previous prime is 123210132011251. The next prime is 123210132011357. The reversal of 123210132011300 is 3110231012321.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80362487 + ... + 81881313.

Almost surely, 2123210132011300 is an apocalyptic number.

123210132011300 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 123210132011300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134560603111872).

123210132011300 is an abundant number, since it is smaller than the sum of its proper divisors (145911074212444).

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

123210132011300 is a wasteful number, since it uses less digits than its factorization.

123210132011300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524165 (or 1524158 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 123210132011300 its reverse (3110231012321), we get a palindrome (126320363023621).

The spelling of 123210132011300 in words is "one hundred twenty-three trillion, two hundred ten billion, one hundred thirty-two million, eleven thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 157 314 628 785 1570 3140 3925 5167 7850 10334 15700 20668 25835 51670 103340 129175 258350 516700 811219 1518827 1622438 3037654 3244876 4056095 6075308 7594135 8112190 15188270 16224380 20280475 30376540 37970675 40560950 75941350 81121900 151882700 238455839 476911678 953823356 1192279195 2384558390 4769116780 5961395975 7847779109 11922791950 15695558218 23845583900 31391116436 39238895545 78477791090 156955582180 196194477725 392388955450 784777910900 1232101320113 2464202640226 4928405280452 6160506600565 12321013201130 24642026402260 30802533002825 61605066005650 123210132011300