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1301311103200 = 255241211188029
BaseRepresentation
bin10010111011111100001…
…011111010000011100000
311121101220121102101200221
4102323330023322003200
5132310041120300300
62433451501052424
7163005462604603
oct22737413720340
94541817371627
101301311103200
11461979213459
12190252557114
139593691c154
1446dab75a33a
1523cb40aa31a
hex12efc2fa0e0

1301311103200 has 144 divisors (see below), whose sum is σ = 3269749941360. Its totient is φ = 505419264000.

The previous prime is 1301311103171. The next prime is 1301311103203. The reversal of 1301311103200 is 23011131031.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301311103203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6826786 + ... + 7014814.

It is an arithmetic number, because the mean of its divisors is an integer number (22706596815).

Almost surely, 21301311103200 is an apocalyptic number.

1301311103200 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 1301311103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634874970680).

1301311103200 is an abundant number, since it is smaller than the sum of its proper divisors (1968438838160).

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

1301311103200 is a wasteful number, since it uses less digits than its factorization.

1301311103200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188301 (or 188288 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1301311103200 its reverse (23011131031), we get a palindrome (1324322234231).

The spelling of 1301311103200 in words is "one trillion, three hundred one billion, three hundred eleven million, one hundred three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 41 50 80 82 100 160 164 200 205 211 328 400 410 422 656 800 820 844 1025 1055 1312 1640 1688 2050 2110 3280 3376 4100 4220 5275 6560 6752 8200 8440 8651 10550 16400 16880 17302 21100 32800 33760 34604 42200 43255 69208 84400 86510 138416 168800 173020 188029 216275 276832 346040 376058 432550 692080 752116 865100 940145 1384160 1504232 1730200 1880290 3008464 3460400 3760580 4700725 6016928 6920800 7521160 7709189 9401450 15042320 15418378 18802900 30084640 30836756 37605800 38545945 39674119 61673512 75211600 77091890 79348238 123347024 150423200 154183780 158696476 192729725 198370595 246694048 308367560 317392952 385459450 396741190 616735120 634785904 770918900 793482380 991852975 1233470240 1269571808 1541837800 1586964760 1626638879 1983705950 3083675600 3173929520 3253277758 3967411900 6167351200 6347859040 6506555516 7934823800 8133194395 13013111032 15869647600 16266388790 26026222064 31739295200 32532777580 40665971975 52052444128 65065555160 81331943950 130131110320 162663887900 260262220640 325327775800 650655551600 1301311103200