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1253806713 = 32197332203
BaseRepresentation
bin100101010111011…
…1001001001111001
310020101020222110200
41022232321021321
510031433303323
6324225232413
743033116105
oct11256711171
93211228420
101253806713
115938175a5
122aba92709
1316c9b3483
14bc738905
1575118443
hex4abb9279

1253806713 has 12 divisors (see below), whose sum is σ = 1906373040. Its totient is φ = 791877816.

The previous prime is 1253806693. The next prime is 1253806721. The reversal of 1253806713 is 3176083521.

It is not a de Polignac number, because 1253806713 - 25 = 1253806681 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1253802713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3665931 + ... + 3666272.

It is an arithmetic number, because the mean of its divisors is an integer number (158864420).

Almost surely, 21253806713 is an apocalyptic number.

It is an amenable number.

1253806713 is a deficient number, since it is larger than the sum of its proper divisors (652566327).

1253806713 is a wasteful number, since it uses less digits than its factorization.

1253806713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7332228 (or 7332225 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1253806713 is about 35409.1331862275. The cubic root of 1253806713 is about 1078.3097454496.

The spelling of 1253806713 in words is "one billion, two hundred fifty-three million, eight hundred six thousand, seven hundred thirteen".

Divisors: 1 3 9 19 57 171 7332203 21996609 65989827 139311857 417935571 1253806713