Base | Representation |
---|---|
bin | 100111111111101001… |
… | …1010000011000001101 |
3 | 22012200122200222112021 |
4 | 1033333103100120031 |
5 | 2401344212212100 |
6 | 103242313410141 |
7 | 6130242460234 |
oct | 1177723203015 |
9 | 265618628467 |
10 | 85887616525 |
11 | 33474358567 |
12 | 1478b709951 |
13 | 8139b42689 |
14 | 422aa91b1b |
15 | 237a307a1a |
hex | 13ff4d060d |
85887616525 has 12 divisors (see below), whose sum is σ = 109936150144. Its totient is φ = 66493638000.
The previous prime is 85887616523. The next prime is 85887616571. The reversal of 85887616525 is 52561678858.
It is not a de Polignac number, because 85887616525 - 21 = 85887616523 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85887616523) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55410591 + ... + 55412140.
Almost surely, 285887616525 is an apocalyptic number.
It is an amenable number.
85887616525 is a deficient number, since it is larger than the sum of its proper divisors (24048533619).
85887616525 is a wasteful number, since it uses less digits than its factorization.
85887616525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110822772 (or 110822767 counting only the distinct ones).
The product of its digits is 32256000, while the sum is 61.
The spelling of 85887616525 in words is "eighty-five billion, eight hundred eighty-seven million, six hundred sixteen thousand, five hundred twenty-five".
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