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131376115318 = 2725137386487
BaseRepresentation
bin111101001011010100…
…0000110111001110110
3110120002211100010221211
41322112220012321312
54123024241142233
6140204154032034
712330423361240
oct1722650067166
9416084303854
10131376115318
1150797434a18
122156571861a
13c50900c956
146504161090
15363da8b5cd
hex1e96a06e76

131376115318 has 16 divisors (see below), whose sum is σ = 226113479424. Its totient is φ = 56079729000.

The previous prime is 131376115309. The next prime is 131376115319. The reversal of 131376115318 is 813511673131.

It is a super-2 number, since 2×1313761153182 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131376115319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18689730 + ... + 18696757.

It is an arithmetic number, because the mean of its divisors is an integer number (14132092464).

Almost surely, 2131376115318 is an apocalyptic number.

131376115318 is a deficient number, since it is larger than the sum of its proper divisors (94737364106).

131376115318 is a wasteful number, since it uses less digits than its factorization.

131376115318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37386747.

The product of its digits is 45360, while the sum is 40.

Adding to 131376115318 its reverse (813511673131), we get a palindrome (944887788449).

The spelling of 131376115318 in words is "one hundred thirty-one billion, three hundred seventy-six million, one hundred fifteen thousand, three hundred eighteen".

Divisors: 1 2 7 14 251 502 1757 3514 37386487 74772974 261705409 523410818 9384008237 18768016474 65688057659 131376115318