Base | Representation |
---|---|
bin | 1011011111100110100111… |
… | …0011001100010111100001 |
3 | 1122202010202220021120112011 |
4 | 2313321221303030113201 |
5 | 3124023220104000023 |
6 | 42513341410232521 |
7 | 2443014510342121 |
oct | 267715163142741 |
9 | 48663686246464 |
10 | 12637568812513 |
11 | 4032621152287 |
12 | 15012b4285741 |
13 | 708943814368 |
14 | 3199395b2c81 |
15 | 16daeb0dd50d |
hex | b7e69ccc5e1 |
12637568812513 has 8 divisors (see below), whose sum is σ = 12831489383328. Its totient is φ = 12444640163424.
The previous prime is 12637568812507. The next prime is 12637568812541. The reversal of 12637568812513 is 31521886573621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12637568812513 - 229 = 12637031941601 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12637568812213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247954756 + ... + 248005717.
It is an arithmetic number, because the mean of its divisors is an integer number (1603936172916).
Almost surely, 212637568812513 is an apocalyptic number.
It is an amenable number.
12637568812513 is a deficient number, since it is larger than the sum of its proper divisors (193920570815).
12637568812513 is an equidigital number, since it uses as much as digits as its factorization.
12637568812513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 495960863.
The product of its digits is 14515200, while the sum is 58.
The spelling of 12637568812513 in words is "twelve trillion, six hundred thirty-seven billion, five hundred sixty-eight million, eight hundred twelve thousand, five hundred thirteen".
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