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22806822820 = 2251140341141
BaseRepresentation
bin10101001111011001…
…000111111110100100
32011212110001122022111
4111033121013332210
5333202021312240
614251033210404
71435113536545
oct251731077644
964773048274
1022806822820
119743947601
124505b60a04
1321c6053542
141164da44cc
158d73a21ea
hex54f647fa4

22806822820 has 12 divisors (see below), whose sum is σ = 47894327964. Its totient is φ = 9122729120.

The previous prime is 22806822799. The next prime is 22806822869. The reversal of 22806822820 is 2822860822.

It can be written as a sum of positive squares in 2 ways, for example, as 16781647936 + 6025174884 = 129544^2 + 77622^2 .

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, 570170551 + ... + 570170590.

It is an arithmetic number, because the mean of its divisors is an integer number (3991193997).

Almost surely, 222806822820 is an apocalyptic number.

22806822820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22806822820 is an abundant number, since it is smaller than the sum of its proper divisors (25087505144).

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

22806822820 is a wasteful number, since it uses less digits than its factorization.

22806822820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140341150 (or 1140341148 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 22806822820 in words is "twenty-two billion, eight hundred six million, eight hundred twenty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 1140341141 2280682282 4561364564 5701705705 11403411410 22806822820