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255005052780 = 22354250084213
BaseRepresentation
bin1110110101111101111…
…1000100111101101100
3220101012201222212210110
43231133133010331230
513134222243142110
6313051523140020
724265156120242
oct3553737047554
9811181885713
10255005052780
1199168782505
1241508814610
131b07bc9959a
14c4b142a792
15697741ca20
hex3b5f7c4f6c

255005052780 has 24 divisors (see below), whose sum is σ = 714014147952. Its totient is φ = 68001347392.

The previous prime is 255005052767. The next prime is 255005052817. The reversal of 255005052780 is 87250500552.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 2125042047 + ... + 2125042166.

It is an arithmetic number, because the mean of its divisors is an integer number (29750589498).

Almost surely, 2255005052780 is an apocalyptic number.

255005052780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255005052780 is an abundant number, since it is smaller than the sum of its proper divisors (459009095172).

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

255005052780 is a wasteful number, since it uses less digits than its factorization.

255005052780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250084225 (or 4250084223 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 39.

The spelling of 255005052780 in words is "two hundred fifty-five billion, five million, fifty-two thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4250084213 8500168426 12750252639 17000336852 21250421065 25500505278 42500842130 51001010556 63751263195 85001684260 127502526390 255005052780