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204508254012 = 223312632090317
BaseRepresentation
bin1011111001110110100…
…1000100111100111100
3201112212112100201101020
42332131221010330330
511322313103112022
6233541053344140
720526622322466
oct2763551047474
9645775321336
10204508254012
117980563a167
1233775498050
13163923258ba
149c80b39136
1554be14335c
hex2f9da44f3c

204508254012 has 48 divisors (see below), whose sum is σ = 494452180992. Its totient is φ = 65719535040.

The previous prime is 204508253993. The next prime is 204508254019. The reversal of 204508254012 is 210452805402.

It is a super-2 number, since 2×2045082540122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204508254019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947323 + ... + 1142994.

It is an arithmetic number, because the mean of its divisors is an integer number (10301087104).

Almost surely, 2204508254012 is an apocalyptic number.

It is an amenable number.

204508254012 is an abundant number, since it is smaller than the sum of its proper divisors (289943926980).

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

204508254012 is a wasteful number, since it uses less digits than its factorization.

204508254012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090618 (or 2090616 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The spelling of 204508254012 in words is "two hundred four billion, five hundred eight million, two hundred fifty-four thousand, twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 263 372 526 789 1052 1578 3156 8153 16306 24459 32612 48918 97836 2090317 4180634 6270951 8361268 12541902 25083804 64799827 129599654 194399481 259199308 388798962 549753371 777597924 1099506742 1649260113 2199013484 3298520226 6597040452 17042354501 34084709002 51127063503 68169418004 102254127006 204508254012