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52896072565 = 57353581947
BaseRepresentation
bin110001010000110110…
…100000001101110101
312001112102021220022201
4301100312200031311
51331312343310230
640144454224501
73551546125000
oct612066401565
9161472256281
1052896072565
11204844aa256
12a302955131
134caca66c2b
1427bb202537
151598c5a5ca
hexc50da0375

52896072565 has 32 divisors (see below), whose sum is σ = 75420460800. Its totient is φ = 35587161792.

The previous prime is 52896072563. The next prime is 52896072601. The reversal of 52896072565 is 56527069825.

It is not a de Polignac number, because 52896072565 - 21 = 52896072563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52896072563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200079 + ... + 381868.

It is an arithmetic number, because the mean of its divisors is an integer number (2356889400).

Almost surely, 252896072565 is an apocalyptic number.

It is an amenable number.

52896072565 is a deficient number, since it is larger than the sum of its proper divisors (22524388235).

52896072565 is an equidigital number, since it uses as much as digits as its factorization.

52896072565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582026 (or 582012 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 52896072565 in words is "fifty-two billion, eight hundred ninety-six million, seventy-two thousand, five hundred sixty-five".

Divisors: 1 5 7 35 49 53 245 265 343 371 1715 1855 2597 12985 18179 90895 581947 2909735 4073629 20368145 28515403 30843191 142577015 154215955 199607821 215902337 998039105 1079511685 1511316359 7556581795 10579214513 52896072565