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52771539974689 = 318921611885061
BaseRepresentation
bin10111111111110110101001…
…11001001111101000100001
320220211220120100120202212001
423333323110321033220201
523404102103213142224
6304122524421404001
714054421645461404
oct1377732471175041
9226756510522761
1052771539974689
11158a6314623398
125b03589b69601
13235a447919043
14d06228721d3b
15617a975e9544
hex2ffed4e4fa21

52771539974689 has 16 divisors (see below), whose sum is σ = 55088524638720. Its totient is φ = 50493027024000.

The previous prime is 52771539974641. The next prime is 52771539974717. The reversal of 52771539974689 is 98647993517725.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52771539974689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52771539924689) 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, 59182219 + ... + 60067279.

It is an arithmetic number, because the mean of its divisors is an integer number (3443032789920).

Almost surely, 252771539974689 is an apocalyptic number.

It is an amenable number.

52771539974689 is a deficient number, since it is larger than the sum of its proper divisors (2316984664031).

52771539974689 is a wasteful number, since it uses less digits than its factorization.

52771539974689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906792.

The product of its digits is 7201353600, while the sum is 82.

The spelling of 52771539974689 in words is "fifty-two trillion, seven hundred seventy-one billion, five hundred thirty-nine million, nine hundred seventy-four thousand, six hundred eighty-nine".

Divisors: 1 31 89 2759 21611 669941 885061 1923379 27436891 59624749 78770429 2441883299 19127053271 592938651401 1702307741119 52771539974689