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22508669934 = 234138942407
BaseRepresentation
bin10100111101100111…
…110000101111101110
32011002200000220110000
4110331213300233232
5332044204414214
614201302525130
71424533352262
oct247547605756
964080026400
1022508669934
119600614963
1244421367a6
13217935140a
1411375520a2
158bb10a809
hex53d9f0bee

22508669934 has 20 divisors (see below), whose sum is σ = 50436094104. Its totient is φ = 7502889924.

The previous prime is 22508669933. The next prime is 22508669977. The reversal of 22508669934 is 43996680522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22508669933) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69471042 + ... + 69471365.

Almost surely, 222508669934 is an apocalyptic number.

22508669934 is an abundant number, since it is smaller than the sum of its proper divisors (27927424170).

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

22508669934 is a wasteful number, since it uses less digits than its factorization.

22508669934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138942421 (or 138942412 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 22508669934 in words is "twenty-two billion, five hundred eight million, six hundred sixty-nine thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 138942407 277884814 416827221 833654442 1250481663 2500963326 3751444989 7502889978 11254334967 22508669934