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131464320268 = 2278649417883
BaseRepresentation
bin111101001101111100…
…0100101010100001100
3110120022222022102101211
41322123320211110030
54123214331222033
6140221024344204
712332544166441
oct1723370452414
9416288272354
10131464320268
11508321aa676
122158b175064
13c521383828
146511b619c8
1536466b12cd
hex1e9be2550c

131464320268 has 12 divisors (see below), whose sum is σ = 230066036200. Its totient is φ = 65731167072.

The previous prime is 131464320257. The next prime is 131464320271. The reversal of 131464320268 is 862023464131.

It is a self number, because there is not a number n which added to its sum of digits gives 131464320268.

It is an unprimeable number.

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, 105655 + ... + 523537.

Almost surely, 2131464320268 is an apocalyptic number.

It is an amenable number.

131464320268 is a deficient number, since it is larger than the sum of its proper divisors (98601715932).

131464320268 is a wasteful number, since it uses less digits than its factorization.

131464320268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496536 (or 496534 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

Adding to 131464320268 its reverse (862023464131), we get a palindrome (993487784399).

The spelling of 131464320268 in words is "one hundred thirty-one billion, four hundred sixty-four million, three hundred twenty thousand, two hundred sixty-eight".

Divisors: 1 2 4 78649 157298 314596 417883 835766 1671532 32866080067 65732160134 131464320268