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131314266856 = 23101162517657
BaseRepresentation
bin111101001001011110…
…0001011001011101000
3110112221111221220211001
41322102330023023220
54122412423014411
6140154104244344
712326042565103
oct1722274131350
9415844856731
10131314266856
1150765531293
1221548a706b4
13c4c9266526
1464d9c6173a
153638420dc1
hex1e92f0b2e8

131314266856 has 16 divisors (see below), whose sum is σ = 248652016740. Its totient is φ = 65007062400.

The previous prime is 131314266851. The next prime is 131314266871. The reversal of 131314266856 is 658662413131.

It can be written as a sum of positive squares in 2 ways, for example, as 130490002756 + 824264100 = 361234^2 + 28710^2 .

It is not an unprimeable number, because it can be changed into a prime (131314266851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81258021 + ... + 81259636.

Almost surely, 2131314266856 is an apocalyptic number.

It is an amenable number.

131314266856 is a deficient number, since it is larger than the sum of its proper divisors (117337749884).

131314266856 is a wasteful number, since it uses less digits than its factorization.

131314266856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162517764 (or 162517760 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

Adding to 131314266856 its reverse (658662413131), we get a palindrome (789976679987).

The spelling of 131314266856 in words is "one hundred thirty-one billion, three hundred fourteen million, two hundred sixty-six thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 101 202 404 808 162517657 325035314 650070628 1300141256 16414283357 32828566714 65657133428 131314266856