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52643020455 = 3254724890317
BaseRepresentation
bin110001000001110001…
…001011111010100111
312000212210010112002100
4301001301023322213
51330303103123310
640103414343143
73542354201514
oct610161137247
9160783115070
1052643020455
1120364681483
12a25205aab3
134c6c4c625c
14279577030b
151581921ec0
hexc41c4bea7

52643020455 has 24 divisors (see below), whose sum is σ = 93189350592. Its totient is φ = 27478908864.

The previous prime is 52643020439. The next prime is 52643020489. The reversal of 52643020455 is 55402034625.

52643020455 is a `hidden beast` number, since 5 + 2 + 643 + 0 + 2 + 0 + 4 + 5 + 5 = 666.

52643020455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52643020455 - 24 = 52643020439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12443044 + ... + 12447273.

It is an arithmetic number, because the mean of its divisors is an integer number (3882889608).

Almost surely, 252643020455 is an apocalyptic number.

52643020455 is a deficient number, since it is larger than the sum of its proper divisors (40546330137).

52643020455 is a wasteful number, since it uses less digits than its factorization.

52643020455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24890375 (or 24890372 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 52643020455 in words is "fifty-two billion, six hundred forty-three million, twenty thousand, four hundred fifty-five".

Divisors: 1 3 5 9 15 45 47 141 235 423 705 2115 24890317 74670951 124451585 224012853 373354755 1120064265 1169844899 3509534697 5849224495 10528604091 17547673485 52643020455