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10255992780 = 22351143389929
BaseRepresentation
bin10011000110100111…
…00000011111001100
3222110202110102012110
421203103200133030
5132001013232110
64413405304020
7512103333405
oct114323403714
928422412173
1010255992780
1143932711a0
121ba2865010
13c75a4a7a7
146d415c9ac
154005c7a20
hex2634e07cc

10255992780 has 192 divisors, whose sum is σ = 32172940800. Its totient is φ = 2419630080.

The previous prime is 10255992749. The next prime is 10255992827. The reversal of 10255992780 is 8729955201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11039356 + ... + 11040284.

It is an arithmetic number, because the mean of its divisors is an integer number (167567400).

Almost surely, 210255992780 is an apocalyptic number.

10255992780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10255992780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16086470400).

10255992780 is an abundant number, since it is smaller than the sum of its proper divisors (21916948020).

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

10255992780 is a wasteful number, since it uses less digits than its factorization.

10255992780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 10255992780 in words is "ten billion, two hundred fifty-five million, nine hundred ninety-two thousand, seven hundred eighty".