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12431532236334 = 233174998912681
BaseRepresentation
bin1011010011100111000100…
…0100000001111000101110
31122000102221212010001021020
42310321301010001320232
53112134234223030314
642234544515315010
72422101646341501
oct264716104017056
948012855101236
1012431532236334
113a63201949052
121489392baba66
136c2399991123
1430d9918c1138
1516858cc08da9
hexb4e71101e2e

12431532236334 has 32 divisors (see below), whose sum is σ = 25668524160000. Its totient is φ = 4009636478400.

The previous prime is 12431532236311. The next prime is 12431532236399. The reversal of 12431532236334 is 43363223513421.

It is a super-2 number, since 2×124315322363342 (a number of 27 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, 3061527 + ... + 5851154.

It is an arithmetic number, because the mean of its divisors is an integer number (802141380000).

Almost surely, 212431532236334 is an apocalyptic number.

12431532236334 is an abundant number, since it is smaller than the sum of its proper divisors (13236991923666).

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

12431532236334 is a wasteful number, since it uses less digits than its factorization.

12431532236334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8920216.

The product of its digits is 933120, while the sum is 42.

Adding to 12431532236334 its reverse (43363223513421), we get a palindrome (55794755749755).

The spelling of 12431532236334 in words is "twelve trillion, four hundred thirty-one billion, five hundred thirty-two million, two hundred thirty-six thousand, three hundred thirty-four".

Divisors: 1 2 3 6 31 62 93 186 7499 14998 22497 44994 232469 464938 697407 1394814 8912681 17825362 26738043 53476086 276293111 552586222 828879333 1657758666 66836194819 133672389638 200508584457 401017168914 2071922039389 4143844078778 6215766118167 12431532236334