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22420240284 = 22313672145067
BaseRepresentation
bin10100111000010110…
…011011011110011100
32010212111122012202210
4110320112123132130
5331404040142114
614144423320420
71422410620011
oct247026333634
963774565683
1022420240284
119565706402
1244185b0110
132163c2c190
1411298d3708
158b348e259
hex53859b79c

22420240284 has 48 divisors (see below), whose sum is σ = 57178932608. Its totient is φ = 6795569088.

The previous prime is 22420240279. The next prime is 22420240301. The reversal of 22420240284 is 48204202422.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1062082 + ... + 1082985.

Almost surely, 222420240284 is an apocalyptic number.

It is an amenable number.

22420240284 is an abundant number, since it is smaller than the sum of its proper divisors (34758692324).

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

22420240284 is a wasteful number, since it uses less digits than its factorization.

22420240284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145154 (or 2145152 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

The spelling of 22420240284 in words is "twenty-two billion, four hundred twenty million, two hundred forty thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 67 78 134 156 201 268 402 804 871 1742 2613 3484 5226 10452 2145067 4290134 6435201 8580268 12870402 25740804 27885871 55771742 83657613 111543484 143719489 167315226 287438978 334630452 431158467 574877956 862316934 1724633868 1868353357 3736706714 5605060071 7473413428 11210120142 22420240284