Base | Representation |
---|---|
bin | 100101010001000110… |
… | …1110000001110010011 |
3 | 21122120111022021002211 |
4 | 1022202031300032103 |
5 | 2302400404110330 |
6 | 100433220252551 |
7 | 5532145434016 |
oct | 1124215601623 |
9 | 248514267084 |
10 | 80030925715 |
11 | 30a3940a024 |
12 | 13616241157 |
13 | 7715672260 |
14 | 3c32d0937d |
15 | 213607bd2a |
hex | 12a2370393 |
80030925715 has 96 divisors (see below), whose sum is σ = 113370969600. Its totient is φ = 53849733120.
The previous prime is 80030925643. The next prime is 80030925731. The reversal of 80030925715 is 51752903008.
It is not a de Polignac number, because 80030925715 - 213 = 80030917523 is a prime.
It is a super-2 number, since 2×800309257152 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 195674431 + ... + 195674839.
It is an arithmetic number, because the mean of its divisors is an integer number (1180947600).
Almost surely, 280030925715 is an apocalyptic number.
80030925715 is a deficient number, since it is larger than the sum of its proper divisors (33340043885).
80030925715 is a wasteful number, since it uses less digits than its factorization.
80030925715 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 765 (or 746 counting only the distinct ones).
The product of its (nonzero) digits is 75600, while the sum is 40.
The spelling of 80030925715 in words is "eighty billion, thirty million, nine hundred twenty-five thousand, seven hundred fifteen".
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