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32145486321 = 3137309112771
BaseRepresentation
bin11101111100000001…
…010011000111110001
310001222021101220022110
4131330001103013301
51011313221030241
622433433155533
72215411061004
oct357401230761
9101867356273
1032145486321
11126a631a723
12629155bba9
133053a1aa30
1417ad37553b
15c82178816
hex77c0531f1

32145486321 has 16 divisors (see below), whose sum is σ = 46164345920. Its totient is φ = 19778955840.

The previous prime is 32145486311. The next prime is 32145486367. The reversal of 32145486321 is 12368454123.

It is not a de Polignac number, because 32145486321 - 215 = 32145453553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32145486321.

It is not an unprimeable number, because it can be changed into a prime (32145486311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228666 + ... + 341436.

It is an arithmetic number, because the mean of its divisors is an integer number (2885271620).

Almost surely, 232145486321 is an apocalyptic number.

It is an amenable number.

32145486321 is a deficient number, since it is larger than the sum of its proper divisors (14018859599).

32145486321 is a wasteful number, since it uses less digits than its factorization.

32145486321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120096.

The product of its digits is 138240, while the sum is 39.

The spelling of 32145486321 in words is "thirty-two billion, one hundred forty-five million, four hundred eighty-six thousand, three hundred twenty-one".

Divisors: 1 3 13 39 7309 21927 95017 112771 285051 338313 1466023 4398069 824243239 2472729717 10715162107 32145486321