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9900286422 = 2313126926749
BaseRepresentation
bin10010011100001101…
…00110000111010110
3221112222010122210220
421032012212013112
5130233433131142
64314221255210
7500224021545
oct111606460726
927488118726
109900286422
1142204a97a4
121b03704506
13c1a147160
1469cc0815c
153ce2632ec
hex24e1a61d6

9900286422 has 16 divisors (see below), whose sum is σ = 21323694000. Its totient is φ = 3046241952.

The previous prime is 9900286411. The next prime is 9900286439. The reversal of 9900286422 is 2246820099.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63463297 + ... + 63463452.

It is an arithmetic number, because the mean of its divisors is an integer number (1332730875).

Almost surely, 29900286422 is an apocalyptic number.

9900286422 is an abundant number, since it is smaller than the sum of its proper divisors (11423407578).

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

9900286422 is a wasteful number, since it uses less digits than its factorization.

9900286422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126926767.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 9900286422 is about 99500.1830249573. The cubic root of 9900286422 is about 2147.2498763503.

The spelling of 9900286422 in words is "nine billion, nine hundred million, two hundred eighty-six thousand, four hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 126926749 253853498 380780247 761560494 1650047737 3300095474 4950143211 9900286422