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22806873881 = 112188486561
BaseRepresentation
bin10101001111011001…
…010100011100011001
32011212110011020100122
4111033121110130121
5333202024431011
614251034243025
71435114141451
oct251731243431
964773136318
1022806873881
119743981a00
124505b86475
1321c607085c
141164db8d61
158d73b23db
hex54f654719

22806873881 has 6 divisors (see below), whose sum is σ = 25068712746. Its totient is φ = 20733521600.

The previous prime is 22806873851. The next prime is 22806873911. The reversal of 22806873881 is 18837860822.

It is an interprime number because it is at equal distance from previous prime (22806873851) and next prime (22806873911).

It can be written as a sum of positive squares in only one way, i.e., 19304601481 + 3502272400 = 138941^2 + 59180^2 .

It is not a de Polignac number, because 22806873881 - 210 = 22806872857 is a prime.

It is a super-2 number, since 2×228068738812 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22806873811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94243160 + ... + 94243401.

It is an arithmetic number, because the mean of its divisors is an integer number (4178118791).

Almost surely, 222806873881 is an apocalyptic number.

It is an amenable number.

22806873881 is a deficient number, since it is larger than the sum of its proper divisors (2261838865).

22806873881 is a wasteful number, since it uses less digits than its factorization.

22806873881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188486583 (or 188486572 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 22806873881 in words is "twenty-two billion, eight hundred six million, eight hundred seventy-three thousand, eight hundred eighty-one".

Divisors: 1 11 121 188486561 2073352171 22806873881