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22620217451 = 132838217489
BaseRepresentation
bin10101000100010001…
…010010000001101011
32011101102221002212112
4111010101102001223
5332311233424301
614220325432535
71430356450556
oct250421220153
964342832775
1022620217451
119658583197
12447356b74b
1321964a8c70
1411482ab69d
158c5ce19bb
hex54445206b

22620217451 has 16 divisors (see below), whose sum is σ = 24479357280. Its totient is φ = 20778301440.

The previous prime is 22620217441. The next prime is 22620217511. The reversal of 22620217451 is 15471202622.

It is not a de Polignac number, because 22620217451 - 222 = 22616023147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22620217441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3016715 + ... + 3024203.

It is an arithmetic number, because the mean of its divisors is an integer number (1529959830).

Almost surely, 222620217451 is an apocalyptic number.

22620217451 is a deficient number, since it is larger than the sum of its proper divisors (1859139829).

22620217451 is a wasteful number, since it uses less digits than its factorization.

22620217451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8606.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 22620217451 in words is "twenty-two billion, six hundred twenty million, two hundred seventeen thousand, four hundred fifty-one".

Divisors: 1 13 283 821 3679 7489 10673 97357 232343 2119387 3020459 6148469 27552031 79930097 1740016727 22620217451