Base | Representation |
---|---|
bin | 1011110011011110001010… |
… | …0111101100000110110000 |
3 | 1200221202210201211212210200 |
4 | 2330313202213230012300 |
5 | 3200121240423200204 |
6 | 43334231252555200 |
7 | 2506460124626631 |
oct | 274674247540660 |
9 | 50852721755720 |
10 | 12978898256304 |
11 | 41543577853a2 |
12 | 1557492922b00 |
13 | 731b9bc6c246 |
14 | 32c2796a9888 |
15 | 177926d3d539 |
hex | bcde29ec1b0 |
12978898256304 has 120 divisors (see below), whose sum is σ = 38461324880160. Its totient is φ = 4071621126144.
The previous prime is 12978898256281. The next prime is 12978898256339. The reversal of 12978898256304 is 40365289887921.
12978898256304 is a `hidden beast` number, since 1 + 297 + 8 + 8 + 9 + 8 + 25 + 6 + 304 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57873862 + ... + 58097690.
It is an arithmetic number, because the mean of its divisors is an integer number (320511040668).
It is a 1-persistent number, because it is pandigital, but 2⋅12978898256304 = 25957796512608 is not.
Almost surely, 212978898256304 is an apocalyptic number.
It is an amenable number.
12978898256304 is an abundant number, since it is smaller than the sum of its proper divisors (25482426623856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12978898256304 is a wasteful number, since it uses less digits than its factorization.
12978898256304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247547 (or 247538 counting only the distinct ones).
The product of its (nonzero) digits is 418037760, while the sum is 72.
The spelling of 12978898256304 in words is "twelve trillion, nine hundred seventy-eight billion, eight hundred ninety-eight million, two hundred fifty-six thousand, three hundred four".
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