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31007261006 = 231717279689
BaseRepresentation
bin11100111000001011…
…010100000101001110
32222000221122001201022
4130320023110011032
51002000324323011
622124453114142
72145250240601
oct347013240516
988027561638
1031007261006
1112171877147
126014328952
132c01c75227
141702126338
15c172918db
hex7382d414e

31007261006 has 32 divisors (see below), whose sum is σ = 48759459840. Its totient is φ = 14770324800.

The previous prime is 31007260943. The next prime is 31007261029. The reversal of 31007261006 is 60016270013.

It is a super-2 number, since 2×310072610062 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3195410 + ... + 3205098.

It is an arithmetic number, because the mean of its divisors is an integer number (1523733120).

Almost surely, 231007261006 is an apocalyptic number.

31007261006 is a deficient number, since it is larger than the sum of its proper divisors (17752198834).

31007261006 is a wasteful number, since it uses less digits than its factorization.

31007261006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10520.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 31007261006 in words is "thirty-one billion, seven million, two hundred sixty-one thousand, six".

Divisors: 1 2 31 62 71 142 727 1454 2201 4402 9689 19378 22537 45074 51617 103234 300359 600718 687919 1375838 1600127 3200254 7043903 14087806 21325489 42650978 218360993 436721986 500117113 1000234226 15503630503 31007261006