Base | Representation |
---|---|
bin | 1100000111001101110100… |
… | …1000110101000100101000 |
3 | 1202011012100220010200010100 |
4 | 3001303131020311010220 |
5 | 3221200441311244442 |
6 | 44154131001545400 |
7 | 2543126102042460 |
oct | 301633510650450 |
9 | 52135326120110 |
10 | 13318108696872 |
11 | 42751a617aa81 |
12 | 15b117b7a5260 |
13 | 757b7a3b4775 |
14 | 3408581aaba0 |
15 | 18167ba2084c |
hex | c1cdd235128 |
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".
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