Base | Representation |
---|---|
bin | 100101010000001000… |
… | …0001001101110001111 |
3 | 21122111012100110112110 |
4 | 1022200100021232033 |
5 | 2302313442000030 |
6 | 100430042435103 |
7 | 5531265531513 |
oct | 1124020115617 |
9 | 248435313473 |
10 | 79998000015 |
11 | 30a218704aa |
12 | 13607202a93 |
13 | 770b8b46ab |
14 | 3c2c7b8143 |
15 | 21332261b0 |
hex | 12a0409b8f |
79998000015 has 32 divisors (see below), whose sum is σ = 131471746560. Its totient is φ = 41514834816.
The previous prime is 79998000001. The next prime is 79998000023. The reversal of 79998000015 is 51000089997.
It is not a de Polignac number, because 79998000015 - 218 = 79997737871 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66160 + ... + 405429.
It is an arithmetic number, because the mean of its divisors is an integer number (4108492080).
Almost surely, 279998000015 is an apocalyptic number.
79998000015 is a deficient number, since it is larger than the sum of its proper divisors (51473746545).
79998000015 is a wasteful number, since it uses less digits than its factorization.
79998000015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471903.
The product of its (nonzero) digits is 204120, while the sum is 48.
The spelling of 79998000015 in words is "seventy-nine billion, nine hundred ninety-eight million, fifteen", and thus it is an aban number.
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