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22499430911 = 131325752733
BaseRepresentation
bin10100111101000100…
…100001000111111111
32011002000122111212222
4110331010201013333
5332034323242121
614200332515555
71424362002326
oct247504410777
964060574788
1022499430911
1195a6384501
12443b01bbbb
132177468039
1411362290bd
158ba3d30ab
hex53d1211ff

22499430911 has 8 divisors (see below), whose sum is σ = 22678573104. Its totient is φ = 22320400960.

The previous prime is 22499430901. The next prime is 22499430913. The reversal of 22499430911 is 11903499422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22499430911 - 214 = 22499414527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22499430913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400301 + ... + 453033.

It is an arithmetic number, because the mean of its divisors is an integer number (2834821638).

Almost surely, 222499430911 is an apocalyptic number.

22499430911 is a deficient number, since it is larger than the sum of its proper divisors (179142193).

22499430911 is a wasteful number, since it uses less digits than its factorization.

22499430911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56121.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 22499430911 in words is "twenty-two billion, four hundred ninety-nine million, four hundred thirty thousand, nine hundred eleven".

Divisors: 1 131 3257 52733 426667 6908023 171751381 22499430911