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627714974957 = 7212810509693
BaseRepresentation
bin10010010001001101011…
…10100110010011101101
32020000020112110122210012
421020212232212103231
540241030013144312
61200211314223005
763231235152200
oct11104656462355
92200215418705
10627714974957
11222237814484
12a17a4584a65
13472687c1585
142254b03b937
15114dd082322
hex9226ba64ed

627714974957 has 6 divisors (see below), whose sum is σ = 730199052558. Its totient is φ = 538041407064.

The previous prime is 627714974933. The next prime is 627714974977. The reversal of 627714974957 is 759479417726.

627714974957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 627698091076 + 16883881 = 792274^2 + 4109^2 .

It is not a de Polignac number, because 627714974957 - 26 = 627714974893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627714974977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6405254798 + ... + 6405254895.

It is an arithmetic number, because the mean of its divisors is an integer number (121699842093).

Almost surely, 2627714974957 is an apocalyptic number.

It is an amenable number.

627714974957 is a deficient number, since it is larger than the sum of its proper divisors (102484077601).

627714974957 is a wasteful number, since it uses less digits than its factorization.

627714974957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12810509707 (or 12810509700 counting only the distinct ones).

The product of its digits is 186701760, while the sum is 68.

The spelling of 627714974957 in words is "six hundred twenty-seven billion, seven hundred fourteen million, nine hundred seventy-four thousand, nine hundred fifty-seven".

Divisors: 1 7 49 12810509693 89673567851 627714974957