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255250277780 = 22512762513889
BaseRepresentation
bin1110110110111000011…
…0100010010110010100
3220101211211102121020212
43231232012202112110
513140223032342110
6313132123144552
724304224364031
oct3555606422624
9811754377225
10255250277780
11992841446a3
1241576975158
131b0baa29734
14c4d5c22388
15698dc0be05
hex3b6e1a2594

255250277780 has 12 divisors (see below), whose sum is σ = 536025583380. Its totient is φ = 102100111104.

The previous prime is 255250277729. The next prime is 255250277783. The reversal of 255250277780 is 87772052552.

255250277780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29585376016 + 225664901764 = 172004^2 + 475042^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255250277783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6381256925 + ... + 6381256964.

It is an arithmetic number, because the mean of its divisors is an integer number (44668798615).

Almost surely, 2255250277780 is an apocalyptic number.

255250277780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255250277780 is an abundant number, since it is smaller than the sum of its proper divisors (280775305600).

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

255250277780 is a wasteful number, since it uses less digits than its factorization.

255250277780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12762513898 (or 12762513896 counting only the distinct ones).

The product of its (nonzero) digits is 2744000, while the sum is 50.

The spelling of 255250277780 in words is "two hundred fifty-five billion, two hundred fifty million, two hundred seventy-seven thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 12762513889 25525027778 51050055556 63812569445 127625138890 255250277780