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22632557768 = 23531892
BaseRepresentation
bin10101000101000000…
…010110110011001000
32011102022011001121022
4111011000112303020
5332322413322033
614221450132012
71430566365302
oct250500266310
964368131538
1022632557768
1196645416a7
124477721008
132198c09b22
141149ba0972
158c6e2d098
hex545016cc8

22632557768 has 12 divisors (see below), whose sum is σ = 42436843665. Its totient is φ = 11316066128.

The previous prime is 22632557741. The next prime is 22632557791. The reversal of 22632557768 is 86775523622.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 14607623044 + 8024934724 = 120862^2 + 89582^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=106378.

It is a super-2 number, since 2×226325577682 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 398918 + ... + 452106.

Almost surely, 222632557768 is an apocalyptic number.

It is an amenable number.

22632557768 is a deficient number, since it is larger than the sum of its proper divisors (19804285897).

22632557768 is an frugal number, since it uses more digits than its factorization.

22632557768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106384 (or 53191 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 53.

The spelling of 22632557768 in words is "twenty-two billion, six hundred thirty-two million, five hundred fifty-seven thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 53189 106378 212756 425512 2829069721 5658139442 11316278884 22632557768