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523130521407 = 31361219895133
BaseRepresentation
bin1111001110011010000…
…00100100011100111111
31212000021212100221112120
413213031000210130333
532032332403141112
61040153422334023
752536443030664
oct7471500443477
91760255327476
10523130521407
111919495a559a
128547742a313
133a43c278b30
141b4691a9a6b
15d91b625e8c
hex79cd02473f

523130521407 has 16 divisors (see below), whose sum is σ = 763475905248. Its totient is φ = 316648990080.

The previous prime is 523130521367. The next prime is 523130521411. The reversal of 523130521407 is 704125031325.

It is not a de Polignac number, because 523130521407 - 216 = 523130455871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523130521427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109945188 + ... + 109949945.

It is an arithmetic number, because the mean of its divisors is an integer number (47717244078).

Almost surely, 2523130521407 is an apocalyptic number.

523130521407 is a deficient number, since it is larger than the sum of its proper divisors (240345383841).

523130521407 is a wasteful number, since it uses less digits than its factorization.

523130521407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219895210.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 523130521407 in words is "five hundred twenty-three billion, one hundred thirty million, five hundred twenty-one thousand, four hundred seven".

Divisors: 1 3 13 39 61 183 793 2379 219895133 659685399 2858636729 8575910187 13413603113 40240809339 174376840469 523130521407