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85486075525 = 526751036463
BaseRepresentation
bin100111110011101011…
…1011111111010000101
322011122200010120211101
41033213113133322011
52400033413404100
6103134411140101
76114265436614
oct1174727377205
9264580116741
1085486075525
113328872a8a4
1214699144631
1380a48b1856
1441cd60987b
152354e3c86a
hex13e75dfe85

85486075525 has 12 divisors (see below), whose sum is σ = 107584866112. Its totient is φ = 67368129840.

The previous prime is 85486075523. The next prime is 85486075579. The reversal of 85486075525 is 52557068458.

It is not a de Polignac number, because 85486075525 - 21 = 85486075523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85486075523) 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, 25516557 + ... + 25519906.

Almost surely, 285486075525 is an apocalyptic number.

It is an amenable number.

85486075525 is a deficient number, since it is larger than the sum of its proper divisors (22098790587).

85486075525 is a wasteful number, since it uses less digits than its factorization.

85486075525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51036540 (or 51036535 counting only the distinct ones).

The product of its (nonzero) digits is 13440000, while the sum is 55.

The spelling of 85486075525 in words is "eighty-five billion, four hundred eighty-six million, seventy-five thousand, five hundred twenty-five".

Divisors: 1 5 25 67 335 1675 51036463 255182315 1275911575 3419443021 17097215105 85486075525