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22946086620 = 22355231031993
BaseRepresentation
bin10101010111101100…
…010111111011011100
32012020011002222100000
4111113230113323130
5333443144232440
614312530134300
71441424342502
oct252754277334
965204088300
1022946086620
119805516556
124544721390
132218b63762
141179696672
158e4710730
hex557b17edc

22946086620 has 288 divisors, whose sum is σ = 76088742912. Its totient is φ = 5793182208.

The previous prime is 22946086601. The next prime is 22946086663. The reversal of 22946086620 is 2668064922.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11512344 + ... + 11514336.

It is an arithmetic number, because the mean of its divisors is an integer number (264197024).

Almost surely, 222946086620 is an apocalyptic number.

22946086620 is a gapful number since it is divisible by the number (20) 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 22946086620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38044371456).

22946086620 is an abundant number, since it is smaller than the sum of its proper divisors (53142656292).

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

22946086620 is a wasteful number, since it uses less digits than its factorization.

22946086620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 22946086620 in words is "twenty-two billion, nine hundred forty-six million, eighty-six thousand, six hundred twenty".