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85992988143937 = 723749995052751
BaseRepresentation
bin10011100011010111001101…
…100000101111000101000001
3102021110211221012100101021111
4103203113031200233011001
542232402114431101222
6502520344451123321
724053534260622500
oct2343271540570501
9367424835311244
1085992988143937
112544446aa7a326
12978a0258a3541
1338ca1475c7754
14173412341c837
159e1d1d014777
hex4e35cd82f141

85992988143937 has 24 divisors (see below), whose sum is σ = 102942130416000. Its totient is φ = 71572439484000.

The previous prime is 85992988143917. The next prime is 85992988143941. The reversal of 85992988143937 is 73934188929958.

It is not a de Polignac number, because 85992988143937 - 211 = 85992988141889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85992988143917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46621689 + ... + 48431062.

It is an arithmetic number, because the mean of its divisors is an integer number (4289255434000).

Almost surely, 285992988143937 is an apocalyptic number.

It is an amenable number.

85992988143937 is a deficient number, since it is larger than the sum of its proper divisors (16949142272063).

85992988143937 is a wasteful number, since it uses less digits than its factorization.

85992988143937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95053301 (or 95053294 counting only the distinct ones).

The product of its digits is 8465264640, while the sum is 85.

The spelling of 85992988143937 in words is "eighty-five trillion, nine hundred ninety-two billion, nine hundred eighty-eight million, one hundred forty-three thousand, nine hundred thirty-seven".

Divisors: 1 7 37 49 259 499 1813 3493 18463 24451 129241 904687 95052751 665369257 3516951787 4657584799 24618662509 47431322749 172330637563 332019259243 1754958941713 2324134814701 12284712591991 85992988143937