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52256143071 = 3211247985439
BaseRepresentation
bin110000101010101101…
…010111011011011111
311222212211011010002100
4300222231113123133
51324010033034241
640001154300143
73526645613226
oct605255273337
9158784133070
1052256143071
1120186259800
12a164587653
134c0a2ca922
14275a223cbd
15155c9a19b6
hexc2ab576df

52256143071 has 18 divisors (see below), whose sum is σ = 82966825760. Its totient is φ = 31670389080.

The previous prime is 52256143013. The next prime is 52256143091. The reversal of 52256143071 is 17034165225.

52256143071 is a `hidden beast` number, since 5 + 2 + 2 + 5 + 614 + 30 + 7 + 1 = 666.

It is not a de Polignac number, because 52256143071 - 26 = 52256143007 is a prime.

It is a super-3 number, since 3×522561430713 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52256143091) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23991631 + ... + 23993808.

Almost surely, 252256143071 is an apocalyptic number.

52256143071 is a deficient number, since it is larger than the sum of its proper divisors (30710682689).

52256143071 is a wasteful number, since it uses less digits than its factorization.

52256143071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47985467 (or 47985453 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 52256143071 in words is "fifty-two billion, two hundred fifty-six million, one hundred forty-three thousand, seventy-one".

Divisors: 1 3 9 11 33 99 121 363 1089 47985439 143956317 431868951 527839829 1583519487 4750558461 5806238119 17418714357 52256143071