Base | Representation |
---|---|
bin | 11100001110111001… |
… | …00000011010000000 |
3 | 1110010100010120002122 |
4 | 32013130200122000 |
5 | 222020232030231 |
6 | 10544013303412 |
7 | 1044416625362 |
oct | 160734403200 |
9 | 43110116078 |
10 | 15157298816 |
11 | 6478999a40 |
12 | 2b30194b68 |
13 | 157730218a |
14 | a3b08cd32 |
15 | 5daa3677b |
hex | 387720680 |
15157298816 has 64 divisors (see below), whose sum is σ = 34373592000. Its totient is φ = 6590115840.
The previous prime is 15157298789. The next prime is 15157298831. The reversal of 15157298816 is 61889275151.
It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201641 + ... + 266408.
It is an arithmetic number, because the mean of its divisors is an integer number (537087375).
Almost surely, 215157298816 is an apocalyptic number.
15157298816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
15157298816 is an abundant number, since it is smaller than the sum of its proper divisors (19216293184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15157298816 is a wasteful number, since it uses less digits than its factorization.
15157298816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 468097 (or 468085 counting only the distinct ones).
The product of its digits is 1209600, while the sum is 53.
The spelling of 15157298816 in words is "fifteen billion, one hundred fifty-seven million, two hundred ninety-eight thousand, eight hundred sixteen".
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