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22256683290 = 2325247296481
BaseRepresentation
bin10100101110100110…
…100000100100011010
32010110002212122202100
4110232212200210122
5331040202331130
614120301544230
71415353454322
oct245646404432
963402778670
1022256683290
119491354636
124391875076
1321390946aa
141111cba282
158a3e32c60
hex52e9a091a

22256683290 has 24 divisors (see below), whose sum is σ = 57867376788. Its totient is φ = 5935115520.

The previous prime is 22256683283. The next prime is 22256683307. The reversal of 22256683290 is 9238665222.

22256683290 is a `hidden beast` number, since 2 + 2 + 2 + 566 + 83 + 2 + 9 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22063834521 + 192848769 = 148539^2 + 13887^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123648151 + ... + 123648330.

Almost surely, 222256683290 is an apocalyptic number.

22256683290 is an abundant number, since it is smaller than the sum of its proper divisors (35610693498).

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

22256683290 is a wasteful number, since it uses less digits than its factorization.

22256683290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247296494 (or 247296491 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 22256683290 in words is "twenty-two billion, two hundred fifty-six million, six hundred eighty-three thousand, two hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 247296481 494592962 741889443 1236482405 1483778886 2225668329 2472964810 3709447215 4451336658 7418894430 11128341645 22256683290