Base | Representation |
---|---|
bin | 11000000100101011… |
… | …11110000101000010 |
3 | 1020100201012011211112 |
4 | 30002111332011002 |
5 | 202432044344433 |
6 | 5534242443322 |
7 | 635163006626 |
oct | 140225760502 |
9 | 36321164745 |
10 | 12924215618 |
11 | 5532423536 |
12 | 2608363542 |
13 | 12ac789382 |
14 | 8a867d186 |
15 | 509982348 |
hex | 30257e142 |
12924215618 has 16 divisors (see below), whose sum is σ = 19731168000. Its totient is φ = 6347340432.
The previous prime is 12924215599. The next prime is 12924215621. The reversal of 12924215618 is 81651242921.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100463 + ... + 189581.
It is an arithmetic number, because the mean of its divisors is an integer number (1233198000).
Almost surely, 212924215618 is an apocalyptic number.
12924215618 is a deficient number, since it is larger than the sum of its proper divisors (6806952382).
12924215618 is a wasteful number, since it uses less digits than its factorization.
12924215618 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90409.
The product of its digits is 69120, while the sum is 41.
The spelling of 12924215618 in words is "twelve billion, nine hundred twenty-four million, two hundred fifteen thousand, six hundred eighteen".
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