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22738496564 = 2271093742991
BaseRepresentation
bin10101001011010100…
…011110110000110100
32011200200111022022102
4111023110132300310
5333032023342224
614240152521232
71433324013620
oct251324366064
964620438272
1022738496564
11970931a023
1244a70b0218
1321b4b4c7c4
141159c9a180
158d13a74ae
hex54b51ec34

22738496564 has 24 divisors (see below), whose sum is σ = 45518661888. Its totient is φ = 9736140960.

The previous prime is 22738496549. The next prime is 22738496569. The reversal of 22738496564 is 46569483722.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22738496569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340892 + ... + 402099.

It is an arithmetic number, because the mean of its divisors is an integer number (1896610912).

Almost surely, 222738496564 is an apocalyptic number.

It is an amenable number.

22738496564 is an abundant number, since it is smaller than the sum of its proper divisors (22780165324).

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

22738496564 is a wasteful number, since it uses less digits than its factorization.

22738496564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744095 (or 744093 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 56.

The spelling of 22738496564 in words is "twenty-two billion, seven hundred thirty-eight million, four hundred ninety-six thousand, five hundred sixty-four".

Divisors: 1 2 4 7 14 28 1093 2186 4372 7651 15302 30604 742991 1485982 2971964 5200937 10401874 20803748 812089163 1624178326 3248356652 5684624141 11369248282 22738496564