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52685968969 = 2311361932749
BaseRepresentation
bin110001000100010101…
…000001011001001001
312000222202221112101001
4301010111001121021
51330400102001334
640111551055001
73543415230034
oct610425013111
9160882845331
1052685968969
1120386946317
12a264511461
134c78382b8a
14279b35001b
1515855a7714
hexc44541649

52685968969 has 16 divisors (see below), whose sum is σ = 55554480000. Its totient is φ = 49867082496.

The previous prime is 52685968919. The next prime is 52685968981. The reversal of 52685968969 is 96986958625.

It is a cyclic number.

It is not a de Polignac number, because 52685968969 - 221 = 52683871817 is a prime.

It is a super-2 number, since 2×526859689692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52685968919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1592407 + ... + 1625155.

It is an arithmetic number, because the mean of its divisors is an integer number (3472155000).

Almost surely, 252685968969 is an apocalyptic number.

It is an amenable number.

52685968969 is a deficient number, since it is larger than the sum of its proper divisors (2868511031).

52685968969 is a wasteful number, since it uses less digits than its factorization.

52685968969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33504.

The product of its digits is 503884800, while the sum is 73.

The spelling of 52685968969 in words is "fifty-two billion, six hundred eighty-five million, nine hundred sixty-eight thousand, nine hundred sixty-nine".

Divisors: 1 23 113 619 2599 14237 32749 69947 753227 1608781 3700637 20271631 85114651 466247513 2290694303 52685968969