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131813064377 = 2328687199777
BaseRepresentation
bin111101011000010101…
…0111011111010111001
3110121020021112110101022
41322300222323322321
54124423121030002
6140315403232225
712344310363221
oct1726052737271
9417207473338
10131813064377
11509a1047245
1221667b18675
13c5786ba1a7
1465461c3081
1536670ecba2
hex1eb0abbeb9

131813064377 has 8 divisors (see below), whose sum is σ = 137549550336. Its totient is φ = 126077035392.

The previous prime is 131813064307. The next prime is 131813064389. The reversal of 131813064377 is 773460318131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131813064377 - 216 = 131812998841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131813064307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559913 + ... + 759689.

It is an arithmetic number, because the mean of its divisors is an integer number (17193693792).

Almost surely, 2131813064377 is an apocalyptic number.

It is an amenable number.

131813064377 is a deficient number, since it is larger than the sum of its proper divisors (5736485959).

131813064377 is a wasteful number, since it uses less digits than its factorization.

131813064377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228487.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 131813064377 in words is "one hundred thirty-one billion, eight hundred thirteen million, sixty-four thousand, three hundred seventy-seven".

Divisors: 1 23 28687 199777 659801 4594871 5731002799 131813064377