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22906988882 = 21070212
BaseRepresentation
bin10101010101010111…
…001110100101010010
32012010102112121022122
4111111113032211102
5333403142121012
614305012134242
71440441123101
oct252527164522
965112477278
1022906988882
119795441878
124533607382
132210a247bb
1411743da038
158e108ae72
hex5555ce952

22906988882 has 6 divisors (see below), whose sum is σ = 34360804389. Its totient is φ = 11453387420.

The previous prime is 22906988869. The next prime is 22906988887. The reversal of 22906988882 is 28888960922.

It can be written as a sum of positive squares in 2 ways, for example, as 15247063441 + 7659925441 = 123479^2 + 87521^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=107021.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22906988887) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 160532 + ... + 267552.

Almost surely, 222906988882 is an apocalyptic number.

22906988882 is a deficient number, since it is larger than the sum of its proper divisors (11453815507).

22906988882 is an frugal number, since it uses more digits than its factorization.

22906988882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214044 (or 107023 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 62.

The spelling of 22906988882 in words is "twenty-two billion, nine hundred six million, nine hundred eighty-eight thousand, eight hundred eighty-two".

Divisors: 1 2 107021 214042 11453494441 22906988882