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131957371310 = 2544370942013
BaseRepresentation
bin111101011100101000…
…1011011000110101110
3110121121100002000021112
41322321101123012232
54130222041340220
6140342000232022
712351012102152
oct1727121330656
9417540060245
10131957371310
1150a65550176
12216a830b612
13c59c5749cb
14655b429062
153674b055c5
hex1eb945b1ae

131957371310 has 32 divisors (see below), whose sum is σ = 238400880480. Its totient is φ = 52588268928.

The previous prime is 131957371309. The next prime is 131957371339. The reversal of 131957371310 is 13173759131.

It is a super-2 number, since 2×1319573713102 (a number of 23 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, 3119864 + ... + 3161876.

It is an arithmetic number, because the mean of its divisors is an integer number (7450027515).

Almost surely, 2131957371310 is an apocalyptic number.

131957371310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131957371310 is a deficient number, since it is larger than the sum of its proper divisors (106443509170).

131957371310 is a wasteful number, since it uses less digits than its factorization.

131957371310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43172.

The product of its (nonzero) digits is 59535, while the sum is 41.

The spelling of 131957371310 in words is "one hundred thirty-one billion, nine hundred fifty-seven million, three hundred seventy-one thousand, three hundred ten".

Divisors: 1 2 5 10 443 709 886 1418 2215 3545 4430 7090 42013 84026 210065 314087 420130 628174 1570435 3140870 18611759 29787217 37223518 59574434 93058795 148936085 186117590 297872170 13195737131 26391474262 65978685655 131957371310