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22424960642 = 27421612
BaseRepresentation
bin10100111000101000…
…011011111010000010
32010212211112000212212
4110320220123322002
5331411242220032
614145112422122
71422466010000
oct247050337202
963784460785
1022424960642
11956833a927
12441a0a7942
132164bc28a6
14112a3a1a70
158b3ac2bb2
hex538a1be82

22424960642 has 30 divisors (see below), whose sum is σ = 39259513449. Its totient is φ = 9606250080.

The previous prime is 22424960641. The next prime is 22424960651. The reversal of 22424960642 is 24606942422.

It can be written as a sum of positive squares in 2 ways, for example, as 22057893361 + 367067281 = 148519^2 + 19159^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=105889.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22424960642.

It is not an unprimeable number, because it can be changed into a prime (22424960641) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 10376042 + ... + 10378202.

Almost surely, 222424960642 is an apocalyptic number.

22424960642 is a deficient number, since it is larger than the sum of its proper divisors (16834552807).

22424960642 is an frugal number, since it uses more digits than its factorization.

22424960642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 22424960642 in words is "twenty-two billion, four hundred twenty-four million, nine hundred sixty thousand, six hundred forty-two".

Divisors: 1 2 7 14 49 98 343 686 2161 2401 4322 4802 15127 30254 105889 211778 741223 1482446 4669921 5188561 9339842 10377122 32689447 65378894 228826129 457652258 1601782903 3203565806 11212480321 22424960642