Base | Representation |
---|---|
bin | 100111110100111011… |
… | …1011011100111010010 |
3 | 22011202121000121201221 |
4 | 1033221313123213102 |
5 | 2400130132012403 |
6 | 103142505515254 |
7 | 6115315004350 |
oct | 1175167334722 |
9 | 264677017657 |
10 | 85528000978 |
11 | 332aa366032 |
12 | 146ab1a2b2a |
13 | 80b04a0904 |
14 | 41d50007d0 |
15 | 235896edbd |
hex | 13e9ddb9d2 |
85528000978 has 32 divisors (see below), whose sum is σ = 150616800000. Its totient is φ = 35655971904.
The previous prime is 85528000913. The next prime is 85528001023. The reversal of 85528000978 is 87900082558.
It is a happy number.
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 15 ways as a sum of consecutive naturals, for example, 2572968 + ... + 2605996.
It is an arithmetic number, because the mean of its divisors is an integer number (4706775000).
Almost surely, 285528000978 is an apocalyptic number.
85528000978 is the 184963-rd heptagonal number.
85528000978 is a deficient number, since it is larger than the sum of its proper divisors (65088799022).
85528000978 is a wasteful number, since it uses less digits than its factorization.
85528000978 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38074.
The product of its (nonzero) digits is 1612800, while the sum is 52.
The spelling of 85528000978 in words is "eighty-five billion, five hundred twenty-eight million, nine hundred seventy-eight", and thus it is an aban number.
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