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53313523431 = 373694768713
BaseRepresentation
bin110001101001101110…
…111100111011100111
312002121111210121020220
4301221232330323213
51333141230222211
640254125455423
73565105320630
oct615156747347
9162544717226
1053313523431
1120679104273
12a3ba711573
1350483a858c
14281a82a887
1515c0719806
hexc69bbcee7

53313523431 has 16 divisors (see below), whose sum is σ = 81243035904. Its totient is φ = 30463602624.

The previous prime is 53313523429. The next prime is 53313523493. The reversal of 53313523431 is 13432531335.

It is not a de Polignac number, because 53313523431 - 21 = 53313523429 is a prime.

It is a super-2 number, since 2×533135234312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53313523392 and 53313523401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53313523331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741531 + ... + 810243.

It is an arithmetic number, because the mean of its divisors is an integer number (5077689744).

Almost surely, 253313523431 is an apocalyptic number.

53313523431 is a deficient number, since it is larger than the sum of its proper divisors (27929512473).

53313523431 is a wasteful number, since it uses less digits than its factorization.

53313523431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105670.

The product of its digits is 48600, while the sum is 33.

The spelling of 53313523431 in words is "fifty-three billion, three hundred thirteen million, five hundred twenty-three thousand, four hundred thirty-one".

Divisors: 1 3 7 21 36947 68713 110841 206139 258629 480991 775887 1442973 2538739211 7616217633 17771174477 53313523431