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10022725220 = 225501136261
BaseRepresentation
bin10010101010110011…
…01010011001100100
3221212111112012021012
421111121222121210
5131011304201340
64334313441352
7503241521144
oct112531523144
927774465235
1010022725220
114283626892
121b38710258
13c39616151
146b119a924
153d9d9b565
hex25566a664

10022725220 has 12 divisors (see below), whose sum is σ = 21047723004. Its totient is φ = 4009090080.

The previous prime is 10022725201. The next prime is 10022725247. The reversal of 10022725220 is 2252722001.

It can be written as a sum of positive squares in 2 ways, for example, as 5436997696 + 4585727524 = 73736^2 + 67718^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250568111 + ... + 250568150.

It is an arithmetic number, because the mean of its divisors is an integer number (1753976917).

Almost surely, 210022725220 is an apocalyptic number.

10022725220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10022725220 is an abundant number, since it is smaller than the sum of its proper divisors (11024997784).

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

10022725220 is a wasteful number, since it uses less digits than its factorization.

10022725220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501136270 (or 501136268 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The spelling of 10022725220 in words is "ten billion, twenty-two million, seven hundred twenty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 501136261 1002272522 2004545044 2505681305 5011362610 10022725220