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22991050384 = 24379072
BaseRepresentation
bin10101011010010111…
…111001011010010000
32012100021201101000121
4111122113321122100
5334041202103014
614321214000024
71442511463261
oct253227713220
965307641017
1022991050384
119828937495
1245577a6014
132225277733
14118163c968
158e8643124
hex55a5f9690

22991050384 has 15 divisors (see below), whose sum is σ = 44546335267. Its totient is φ = 11495221936.

The previous prime is 22991050373. The next prime is 22991050403. The reversal of 22991050384 is 48305019922.

The square root of 22991050384 is 151628.

It is a perfect power (a square), and thus also a powerful number.

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 22991050384.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 587559 + ... + 625465.

Almost surely, 222991050384 is an apocalyptic number.

22991050384 is the 151628-th square number.

It is an amenable number.

22991050384 is a deficient number, since it is larger than the sum of its proper divisors (21555284883).

22991050384 is an frugal number, since it uses more digits than its factorization.

22991050384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75822 (or 37909 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 22991050384 in words is "twenty-two billion, nine hundred ninety-one million, fifty thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 37907 75814 151628 303256 606512 1436940649 2873881298 5747762596 11495525192 22991050384