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205253253112 = 231091125120921
BaseRepresentation
bin1011111100101000001…
…1000001011111111000
3201121210110012121000111
42333022003001133320
511330324313044422
6234143025314104
720554236602515
oct2771203013770
9647713177014
10205253253112
117a058123aa6
1233942a95934
131648078c07b
149d11a6830c
155514753a77
hex2fca0c17f8

205253253112 has 32 divisors (see below), whose sum is σ = 388433667600. Its totient is φ = 101671200000.

The previous prime is 205253253071. The next prime is 205253253113. The reversal of 205253253112 is 211352352502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205253253113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9800412 + ... + 9821332.

Almost surely, 2205253253112 is an apocalyptic number.

It is an amenable number.

205253253112 is a deficient number, since it is larger than the sum of its proper divisors (183180414488).

205253253112 is a wasteful number, since it uses less digits than its factorization.

205253253112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32287 (or 32283 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 205253253112 in words is "two hundred five billion, two hundred fifty-three million, two hundred fifty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 109 218 436 872 11251 20921 22502 41842 45004 83684 90008 167368 1226359 2280389 2452718 4560778 4905436 9121556 9810872 18243112 235382171 470764342 941528684 1883057368 25656656639 51313313278 102626626556 205253253112