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85958627863681 = 232924794551361
BaseRepresentation
bin10011100010110111001101…
…011110101010110010000001
3102021100120020120102021212001
4103202313031132222302001
542231321232213114211
6502452503135104001
724051206634225346
oct2342671536526201
9367316216367761
1085958627863681
11254309385461a1
129783436672001
1338c6b2ca98781
1417325c3c787cd
159e0eab6eaac1
hex4e2dcd7aac81

85958627863681 has 24 divisors (see below), whose sum is σ = 94872080219904. Its totient is φ = 77697012771840.

The previous prime is 85958627863621. The next prime is 85958627863747. The reversal of 85958627863681 is 18636872685958.

It is not a de Polignac number, because 85958627863681 - 221 = 85958625766529 is a prime.

It is a super-2 number, since 2×859586278636812 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85958627863595 and 85958627863604.

It is not an unprimeable number, because it can be changed into a prime (85958627863601) 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, 46366560 + ... + 48184801.

It is an arithmetic number, because the mean of its divisors is an integer number (3953003342496).

Almost surely, 285958627863681 is an apocalyptic number.

It is an amenable number.

85958627863681 is a deficient number, since it is larger than the sum of its proper divisors (8913452356223).

85958627863681 is a wasteful number, since it uses less digits than its factorization.

85958627863681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94551489 (or 94551460 counting only the distinct ones).

The product of its digits is 8360755200, while the sum is 82.

The spelling of 85958627863681 in words is "eighty-five trillion, nine hundred fifty-eight billion, six hundred twenty-seven million, eight hundred sixty-three thousand, six hundred eighty-one".

Divisors: 1 23 29 47 667 841 1081 1363 19343 31349 39527 909121 94551361 2174681303 2741989469 4443913967 63065757787 79517694601 102210021241 128873505043 1828906975823 2964090615989 3737331646247 85958627863681