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22650703488 = 273376115349
BaseRepresentation
bin10101000110000101…
…100100111010000000
32011110120021221212000
4111012011210322000
5332342040002423
614223335104000
71431206542260
oct250605447200
964416257760
1022650703488
119673805866
124481812000
13219c8c123a
14114c3657a0
158c8814843
hex546164e80

22650703488 has 256 divisors, whose sum is σ = 77658720000. Its totient is φ = 6365122560.

The previous prime is 22650703483. The next prime is 22650703553. The reversal of 22650703488 is 88430705622.

It is a super-2 number, since 2×226507034882 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22650703483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1468038 + ... + 1483386.

It is an arithmetic number, because the mean of its divisors is an integer number (303354375).

Almost surely, 222650703488 is an apocalyptic number.

22650703488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22650703488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38829360000).

22650703488 is an abundant number, since it is smaller than the sum of its proper divisors (55008016512).

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

22650703488 is a wasteful number, since it uses less digits than its factorization.

22650703488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15440 (or 15422 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 22650703488 in words is "twenty-two billion, six hundred fifty million, seven hundred three thousand, four hundred eighty-eight".