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13318108696872 = 2332726424818843
BaseRepresentation
bin1100000111001101110100…
…1000110101000100101000
31202011012100220010200010100
43001303131020311010220
53221200441311244442
644154131001545400
72543126102042460
oct301633510650450
952135326120110
1013318108696872
1142751a617aa81
1215b117b7a5260
13757b7a3b4775
143408581aaba0
1518167ba2084c
hexc1cdd235128

13318108696872 has 48 divisors (see below), whose sum is σ = 41222717396640. Its totient is φ = 3805173913248.

The previous prime is 13318108696819. The next prime is 13318108696877. The reversal of 13318108696872 is 27869680181331.

It is a super-4 number, since 4×133181086968724 (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (13318108696877) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13212408918 + ... + 13212409925.

It is an arithmetic number, because the mean of its divisors is an integer number (858806612430).

Almost surely, 213318108696872 is an apocalyptic number.

13318108696872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13318108696872 is an abundant number, since it is smaller than the sum of its proper divisors (27904608699768).

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

13318108696872 is a wasteful number, since it uses less digits than its factorization.

13318108696872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26424818862 (or 26424818855 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 13318108696872 in words is "thirteen trillion, three hundred eighteen billion, one hundred eight million, six hundred ninety-six thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 26424818843 52849637686 79274456529 105699275372 158548913058 184973731901 211398550744 237823369587 317097826116 369947463802 475646739174 554921195703 634195652232 739894927604 951293478348 1109842391406 1479789855208 1664763587109 1902586956696 2219684782812 3329527174218 4439369565624 6659054348436 13318108696872