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14507042557 = 72709417577
BaseRepresentation
bin11011000001010111…
…11110011011111101
31101110000120010012111
431200223332123331
5214202300330212
610355304134021
71022332553500
oct154053763375
941400503174
1014507042557
116174935877
12298a467311
1314a268b667
149b8983137
1559d8dcea7
hex360afe6fd

14507042557 has 12 divisors (see below), whose sum is σ = 16899381660. Its totient is φ = 12417039936.

The previous prime is 14507042551. The next prime is 14507042591. The reversal of 14507042557 is 75524070541.

It can be written as a sum of positive squares in 2 ways, for example, as 1491427161 + 13015615396 = 38619^2 + 114086^2 .

It is not a de Polignac number, because 14507042557 - 23 = 14507042549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14507042551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174048 + ... + 243529.

It is an arithmetic number, because the mean of its divisors is an integer number (1408281805).

Almost surely, 214507042557 is an apocalyptic number.

It is an amenable number.

14507042557 is a deficient number, since it is larger than the sum of its proper divisors (2392339103).

14507042557 is an equidigital number, since it uses as much as digits as its factorization.

14507042557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418300 (or 418293 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 40.

The spelling of 14507042557 in words is "fourteen billion, five hundred seven million, forty-two thousand, five hundred fifty-seven".

Divisors: 1 7 49 709 4963 34741 417577 2923039 20461273 296062093 2072434651 14507042557