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131405314120412 = 22434479831705387
BaseRepresentation
bin11101111000001100101111…
…000100011101101011011100
3122020021020002021110101000012
4131320030233010131223130
5114210421040403323122
61143250433512422352
736451502116506113
oct3570145704355334
9566236067411005
10131405314120412
1138962754100872
12128a32919a79b8
1358426111208b7
1424640a0476c7a
15102d24900c7e2
hex77832f11dadc

131405314120412 has 24 divisors (see below), whose sum is σ = 235307853639936. Its totient is φ = 64174507408368.

The previous prime is 131405314120387. The next prime is 131405314120453. The reversal of 131405314120412 is 214021413504131.

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, 76200383 + ... + 77905769.

It is an arithmetic number, because the mean of its divisors is an integer number (9804493901664).

Almost surely, 2131405314120412 is an apocalyptic number.

It is an amenable number.

131405314120412 is a deficient number, since it is larger than the sum of its proper divisors (103902539519524).

131405314120412 is a wasteful number, since it uses less digits than its factorization.

131405314120412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153417 (or 2153415 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 131405314120412 its reverse (214021413504131), we get a palindrome (345426727624543).

The spelling of 131405314120412 in words is "one hundred thirty-one trillion, four hundred five billion, three hundred fourteen million, one hundred twenty thousand, four hundred twelve".

Divisors: 1 2 4 43 86 172 447983 895966 1705387 1791932 3410774 6821548 19263269 38526538 73331641 77053076 146663282 293326564 763984384421 1527968768842 3055937537684 32851328530103 65702657060206 131405314120412