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131373157375 = 5329378311801
BaseRepresentation
bin111101001011001110…
…0110100101111111111
3110120002121202212102101
41322112130310233333
54123023012014000
6140204010405531
712330356261425
oct1722634645777
9416077685371
10131373157375
11507957a4639
12215647308a7
13c5085154a5
1465039d1115
15363d6a4e6a
hex1e96734bff

131373157375 has 64 divisors (see below), whose sum is σ = 176304885120. Its totient is φ = 97534080000.

The previous prime is 131373157327. The next prime is 131373157423. The reversal of 131373157375 is 573751373131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131373157327) and next prime (131373157423).

It is not a de Polignac number, because 131373157375 - 211 = 131373155327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11126475 + ... + 11138275.

It is an arithmetic number, because the mean of its divisors is an integer number (2754763830).

Almost surely, 2131373157375 is an apocalyptic number.

131373157375 is a deficient number, since it is larger than the sum of its proper divisors (44931727745).

131373157375 is a wasteful number, since it uses less digits than its factorization.

131373157375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11965 (or 11955 counting only the distinct ones).

The product of its digits is 694575, while the sum is 46.

The spelling of 131373157375 in words is "one hundred thirty-one billion, three hundred seventy-three million, one hundred fifty-seven thousand, three hundred seventy-five".

Divisors: 1 5 25 29 37 83 125 145 185 415 725 925 1073 2075 2407 3071 3625 4625 5365 10375 11801 12035 15355 26825 59005 60175 76775 89059 134125 295025 300875 342229 383875 436637 445295 979483 1475125 1711145 2183185 2226475 4897415 8555725 10915925 11132375 12662473 24487075 28405007 36240871 42778625 54579625 63312365 122435375 142025035 181204355 316561825 710125175 906021775 1050985259 1582809125 3550625875 4530108875 5254926295 26274631475 131373157375