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255250052780 = 22566701191339
BaseRepresentation
bin1110110110111000010…
…1101011011010101100
3220101211211000011121112
43231232011223122230
513140223003142110
6313132114251152
724304222436042
oct3555605533254
9811754004545
10255250052780
1199284000648
1241576886ab8
131b0ba97b1b8
14c4d5ba4392
15698dbb5405
hex3b6e16b6ac

255250052780 has 24 divisors (see below), whose sum is σ = 536035948560. Its totient is φ = 102097956800.

The previous prime is 255250052767. The next prime is 255250052791. The reversal of 255250052780 is 87250052552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238351 + ... + 1429689.

It is an arithmetic number, because the mean of its divisors is an integer number (22334831190).

Almost surely, 2255250052780 is an apocalyptic number.

255250052780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255250052780 is an abundant number, since it is smaller than the sum of its proper divisors (280785895780).

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

255250052780 is a wasteful number, since it uses less digits than its factorization.

255250052780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258049 (or 258047 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 41.

The spelling of 255250052780 in words is "two hundred fifty-five billion, two hundred fifty million, fifty-two thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 66701 133402 191339 266804 333505 382678 667010 765356 956695 1334020 1913390 3826780 12762502639 25525005278 51050010556 63812513195 127625026390 255250052780