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131403430012544 = 272394295352707
BaseRepresentation
bin11101111000001010111110…
…110001001010011010000000
3122020021001012222011202220022
4131320022332301022122000
5114210403211040400134
61143245522525433012
736451404331036214
oct3570127661123200
9566231188152808
10131403430012544
113896197761a728
12128a2a46a0b768
1358423a0992781
142463d62148944
15102d1888dd52e
hex7782bec4a680

131403430012544 has 32 divisors (see below), whose sum is σ = 262875585729600. Its totient is φ = 65426812417792.

The previous prime is 131403430012447. The next prime is 131403430012571. The reversal of 131403430012544 is 445210034304131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1314034300125442 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147645762 + ... + 2147706945.

It is an arithmetic number, because the mean of its divisors is an integer number (8214862054050).

Almost surely, 2131403430012544 is an apocalyptic number.

It is an amenable number.

131403430012544 is an abundant number, since it is smaller than the sum of its proper divisors (131472155717056).

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

131403430012544 is an equidigital number, since it uses as much as digits as its factorization.

131403430012544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295352960 (or 4295352948 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 131403430012544 its reverse (445210034304131), we get a palindrome (576613464316675).

The spelling of 131403430012544 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred thirty million, twelve thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 239 478 956 1912 3824 7648 15296 30592 4295352707 8590705414 17181410828 34362821656 68725643312 137451286624 274902573248 549805146496 1026589296973 2053178593946 4106357187892 8212714375784 16425428751568 32850857503136 65701715006272 131403430012544