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131685411283 = 314247916493
BaseRepresentation
bin111101010100100001…
…1111110100111010011
3110120220101100000020221
41322221003332213103
54124142431130113
6140255003213511
712341200345606
oct1725103764723
9416811300227
10131685411283
1150935a88618
1221631217297
13c558113a0a
14653327433d
15365acd498d
hex1ea90fe9d3

131685411283 has 4 divisors (see below), whose sum is σ = 135933327808. Its totient is φ = 127437494760.

The previous prime is 131685411199. The next prime is 131685411349. The reversal of 131685411283 is 382114586131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131685411283 - 29 = 131685410771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131685411083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2123958216 + ... + 2123958277.

It is an arithmetic number, because the mean of its divisors is an integer number (33983331952).

Almost surely, 2131685411283 is an apocalyptic number.

131685411283 is a deficient number, since it is larger than the sum of its proper divisors (4247916525).

131685411283 is an equidigital number, since it uses as much as digits as its factorization.

131685411283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247916524.

The product of its digits is 138240, while the sum is 43.

The spelling of 131685411283 in words is "one hundred thirty-one billion, six hundred eighty-five million, four hundred eleven thousand, two hundred eighty-three".

Divisors: 1 31 4247916493 131685411283