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31673429052 = 2232839326687
BaseRepresentation
bin11101011111111000…
…100010110000111100
310000202101010220110220
4131133320202300330
51004331344212202
622314531301340
72200616463516
oct353770426074
9100671126426
1031673429052
1112483909051
12617b44a850
132ca9c9a3c5
1417667b4bb6
15c559ceabc
hex75fe22c3c

31673429052 has 24 divisors (see below), whose sum is σ = 74165822976. Its totient is φ = 10520501808.

The previous prime is 31673429041. The next prime is 31673429069. The reversal of 31673429052 is 25092437613.

It is a super-2 number, since 2×316734290522 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31673428995 and 31673429013.

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, 4659948 + ... + 4666739.

It is an arithmetic number, because the mean of its divisors is an integer number (3090242624).

Almost surely, 231673429052 is an apocalyptic number.

It is an amenable number.

31673429052 is an abundant number, since it is smaller than the sum of its proper divisors (42492393924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31673429052 is a wasteful number, since it uses less digits than its factorization.

31673429052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9326977 (or 9326975 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 31673429052 in words is "thirty-one billion, six hundred seventy-three million, four hundred twenty-nine thousand, fifty-two".

Divisors: 1 2 3 4 6 12 283 566 849 1132 1698 3396 9326687 18653374 27980061 37306748 55960122 111920244 2639452421 5278904842 7918357263 10557809684 15836714526 31673429052