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18422966848 = 2611137983307
BaseRepresentation
bin10001001010000110…
…000010101001000000
31202112221001200110111
4101022012002221000
5300212234414343
612244032041104
71221352430416
oct211206025100
952487050414
1018422966848
1178a4314740
1236a1993194
131977a53820
14c6aa8d2b6
1572c5a6c9d
hex44a182a40

18422966848 has 224 divisors, whose sum is σ = 44160399360. Its totient is φ = 7515555840.

The previous prime is 18422966813. The next prime is 18422966879. The reversal of 18422966848 is 84866922481.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18422966792 and 18422966801.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60009511 + ... + 60009817.

It is an arithmetic number, because the mean of its divisors is an integer number (197144640).

Almost surely, 218422966848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18422966848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22080199680).

18422966848 is an abundant number, since it is smaller than the sum of its proper divisors (25737432512).

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

18422966848 is a wasteful number, since it uses less digits than its factorization.

18422966848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 495 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 58.

The spelling of 18422966848 in words is "eighteen billion, four hundred twenty-two million, nine hundred sixty-six thousand, eight hundred forty-eight".