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31327027028 = 22111574534891
BaseRepresentation
bin11101001011001111…
…000111111101010100
32222212020022212020022
4131023033013331110
51003124204331103
622220314524312
72156212223213
oct351317077524
988766285208
1031327027028
1112316321090
1260a3436698
132c532a3aab
1417327a307a
15c353a7138
hex74b3c7f54

31327027028 has 24 divisors (see below), whose sum is σ = 60187086624. Its totient is φ = 14148856800.

The previous prime is 31327027003. The next prime is 31327027057. The reversal of 31327027028 is 82072072313.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260538 + ... + 2274353.

It is an arithmetic number, because the mean of its divisors is an integer number (2507795276).

Almost surely, 231327027028 is an apocalyptic number.

It is an amenable number.

31327027028 is a deficient number, since it is larger than the sum of its proper divisors (28860059596).

31327027028 is a wasteful number, since it uses less digits than its factorization.

31327027028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535063 (or 4535061 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 31327027028 in words is "thirty-one billion, three hundred twenty-seven million, twenty-seven thousand, twenty-eight".

Divisors: 1 2 4 11 22 44 157 314 628 1727 3454 6908 4534891 9069782 18139564 49883801 99767602 199535204 711977887 1423955774 2847911548 7831756757 15663513514 31327027028