Base | Representation |
---|---|
bin | 101000111110100011… |
… | …1000100110011110001 |
3 | 22102010202102111010101 |
4 | 1101331013010303301 |
5 | 2420210034241000 |
6 | 104231554032401 |
7 | 6233452440631 |
oct | 1217507046361 |
9 | 272122374111 |
10 | 87998352625 |
11 | 34357859867 |
12 | 1507a578701 |
13 | 83b521c151 |
14 | 438b1346c1 |
15 | 2450790e6a |
hex | 147d1c4cf1 |
87998352625 has 32 divisors (see below), whose sum is σ = 112266385920. Its totient is φ = 68834620800.
The previous prime is 87998352601. The next prime is 87998352649. The reversal of 87998352625 is 52625389978.
It is an interprime number because it is at equal distance from previous prime (87998352601) and next prime (87998352649).
It is not a de Polignac number, because 87998352625 - 229 = 87461481713 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6626242 + ... + 6639508.
It is an arithmetic number, because the mean of its divisors is an integer number (3508324560).
Almost surely, 287998352625 is an apocalyptic number.
It is an amenable number.
87998352625 is a deficient number, since it is larger than the sum of its proper divisors (24268033295).
87998352625 is a wasteful number, since it uses less digits than its factorization.
87998352625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14458 (or 14448 counting only the distinct ones).
The product of its digits is 65318400, while the sum is 64.
The spelling of 87998352625 in words is "eighty-seven billion, nine hundred ninety-eight million, three hundred fifty-two thousand, six hundred twenty-five".
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