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131403432125454 = 23191589237252957
BaseRepresentation
bin11101111000001010111110…
…111001001110010000001110
3122020021001020010011010021020
4131320022332321032100032
5114210403212111003304
61143245523043015010
736451404355016256
oct3570127671162016
9566231203133236
10131403432125454
1138961978833135
12128a2a4766a466
1358423a1252408
142463d62538966
15102d188ba95d9
hex7782bee4e40e

131403432125454 has 32 divisors (see below), whose sum is σ = 276640583326080. Its totient is φ = 41495553843552.

The previous prime is 131403432125431. The next prime is 131403432125591. The reversal of 131403432125454 is 454521234304131.

It is a super-2 number, since 2×1314034321254542 (a number of 29 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, 14490744 + ... + 21743700.

It is an arithmetic number, because the mean of its divisors is an integer number (8645018228940).

Almost surely, 2131403432125454 is an apocalyptic number.

131403432125454 is an abundant number, since it is smaller than the sum of its proper divisors (145237151200626).

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

131403432125454 is a wasteful number, since it uses less digits than its factorization.

131403432125454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411904.

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 131403432125454 its reverse (454521234304131), we get a palindrome (585924666429585).

The spelling of 131403432125454 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred thirty-two million, one hundred twenty-five thousand, four hundred fifty-four".

Divisors: 1 2 3 6 19 38 57 114 158923 317846 476769 953538 3019537 6039074 7252957 9058611 14505914 18117222 21758871 43517742 137806183 275612366 413418549 826837098 1152661685311 2305323370622 3457985055933 6915970111866 21900572020909 43801144041818 65701716062727 131403432125454