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255750232780 = 225717107458081
BaseRepresentation
bin1110111000101111100…
…1101101101011001100
3220110010200011221120201
43232023321231223030
513142234024422110
6313253503023244
724322505052550
oct3561371555314
9813120157521
10255750232780
1199510380249
124169629ab24
131b16a4971b3
14c5423a5860
1569bca66b3a
hex3b8be6dacc

255750232780 has 48 divisors (see below), whose sum is σ = 649906479936. Its totient is φ = 82527805440.

The previous prime is 255750232739. The next prime is 255750232783. The reversal of 255750232780 is 87232057552.

It is a self number, because there is not a number n which added to its sum of digits gives 255750232780.

It is not an unprimeable number, because it can be changed into a prime (255750232783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53726661 + ... + 53731420.

It is an arithmetic number, because the mean of its divisors is an integer number (13539718332).

Almost surely, 2255750232780 is an apocalyptic number.

255750232780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255750232780 is an abundant number, since it is smaller than the sum of its proper divisors (394156247156).

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

255750232780 is a wasteful number, since it uses less digits than its factorization.

255750232780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107458114 (or 107458112 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 46.

The spelling of 255750232780 in words is "two hundred fifty-five billion, seven hundred fifty million, two hundred thirty-two thousand, seven hundred eighty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 107458081 214916162 429832324 537290405 752206567 1074580810 1504413134 1826787377 2149161620 3008826268 3653574754 3761032835 7307149508 7522065670 9133936885 12787511639 15044131340 18267873770 25575023278 36535747540 51150046556 63937558195 127875116390 255750232780