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52105576530 = 2357248121793
BaseRepresentation
bin110000100001101111…
…000000000001010010
311222111022211112121210
4300201233000001102
51323203011422110
635534215200550
73523140043560
oct604157000122
9158438745553
1052105576530
112010926a947
12a122076156
134bb5060bb7
14274422ca30
15154e65e520
hexc21bc0052

52105576530 has 32 divisors (see below), whose sum is σ = 142918153344. Its totient is φ = 11909846016.

The previous prime is 52105576529. The next prime is 52105576543. The reversal of 52105576530 is 3567550125.

It is a super-2 number, since 2×521055765302 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124060687 + ... + 124061106.

It is an arithmetic number, because the mean of its divisors is an integer number (4466192292).

Almost surely, 252105576530 is an apocalyptic number.

52105576530 is an abundant number, since it is smaller than the sum of its proper divisors (90812576814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52105576530 is a wasteful number, since it uses less digits than its factorization.

52105576530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248121810.

The product of its (nonzero) digits is 157500, while the sum is 39.

The spelling of 52105576530 in words is "fifty-two billion, one hundred five million, five hundred seventy-six thousand, five hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 248121793 496243586 744365379 1240608965 1488730758 1736852551 2481217930 3473705102 3721826895 5210557653 7443653790 8684262755 10421115306 17368525510 26052788265 52105576530