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131499157503 = 37172931140841
BaseRepresentation
bin111101001110111110…
…1011110011111111111
3110120102101212100002210
41322131331132133333
54123302241020003
6140224311151503
712333446252640
oct1723575363777
9416371770083
10131499157503
115084a93437a
122159a975593
13c52866048c
14651662d6c7
153649793503
hex1e9df5e7ff

131499157503 has 64 divisors (see below), whose sum is σ = 220193925120. Its totient is φ = 68062310400.

The previous prime is 131499157483. The next prime is 131499157519. The reversal of 131499157503 is 305751994131.

It is not a de Polignac number, because 131499157503 - 214 = 131499141119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131499157003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3199363 + ... + 3240203.

It is an arithmetic number, because the mean of its divisors is an integer number (3440530080).

Almost surely, 2131499157503 is an apocalyptic number.

131499157503 is a deficient number, since it is larger than the sum of its proper divisors (88694767617).

131499157503 is a wasteful number, since it uses less digits than its factorization.

131499157503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41208.

The product of its (nonzero) digits is 510300, while the sum is 48.

The spelling of 131499157503 in words is "one hundred thirty-one billion, four hundred ninety-nine million, one hundred fifty-seven thousand, five hundred three".

Divisors: 1 3 7 17 21 29 51 87 119 203 311 357 493 609 933 1479 2177 3451 5287 6531 9019 10353 15861 27057 37009 40841 63133 111027 122523 153323 189399 285887 459969 694297 857661 1073261 1184389 2082891 3219783 3553167 4860079 8290723 12701551 14580237 20134613 24872169 38104653 60403839 88910857 140942291 215926367 266732571 368344979 422826873 647779101 1105034937 1511484569 2578414853 4534453707 6261864643 7735244559 18785593929 43833052501 131499157503