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85887616525 = 5231110822731
BaseRepresentation
bin100111111111101001…
…1010000011000001101
322012200122200222112021
41033333103100120031
52401344212212100
6103242313410141
76130242460234
oct1177723203015
9265618628467
1085887616525
1133474358567
121478b709951
138139b42689
14422aa91b1b
15237a307a1a
hex13ff4d060d

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".

Divisors: 1 5 25 31 155 775 110822731 554113655 2770568275 3435504661 17177523305 85887616525