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56681067850 = 25211103056487
BaseRepresentation
bin110100110010011101…
…000111010101001010
312102022012102120202021
4310302131013111022
51412040323132400
642012223555054
74044416061451
oct646235072512
9172265376667
1056681067850
1122046a92230
12ab9a45ba8a
135463c79804
142a59b89b98
15171b1b071a
hexd3274754a

56681067850 has 24 divisors (see below), whose sum is σ = 115011040608. Its totient is φ = 20611297200.

The previous prime is 56681067811. The next prime is 56681067853. The reversal of 56681067850 is 5876018665.

56681067850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56681067853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51527694 + ... + 51528793.

It is an arithmetic number, because the mean of its divisors is an integer number (4792126692).

Almost surely, 256681067850 is an apocalyptic number.

56681067850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56681067850 is an abundant number, since it is smaller than the sum of its proper divisors (58329972758).

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

56681067850 is a wasteful number, since it uses less digits than its factorization.

56681067850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103056510 (or 103056505 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 56681067850 in words is "fifty-six billion, six hundred eighty-one million, sixty-seven thousand, eight hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 103056487 206112974 515282435 1030564870 1133621357 2267242714 2576412175 5152824350 5668106785 11336213570 28340533925 56681067850