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22985321472 = 2103283151199
BaseRepresentation
bin10101011010000010…
…000010110000000000
32012022212221022102200
4111122002002300000
5334033220241342
614320451113200
71442412003021
oct253202026000
965285838380
1022985321472
119825684253
1245558a2800
13222401cc49
14118098ac48
158e7db094c
hex55a082c00

22985321472 has 264 divisors, whose sum is σ = 67953849600. Its totient is φ = 7481548800.

The previous prime is 22985321467. The next prime is 22985321501. The reversal of 22985321472 is 27412358922.

22985321472 is a `hidden beast` number, since 22 + 98 + 53 + 21 + 472 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115504029 + ... + 115504227.

Almost surely, 222985321472 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 22985321472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33976924800).

22985321472 is an abundant number, since it is smaller than the sum of its proper divisors (44968528128).

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

22985321472 is a wasteful number, since it uses less digits than its factorization.

22985321472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 438 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 22985321472 in words is "twenty-two billion, nine hundred eighty-five million, three hundred twenty-one thousand, four hundred seventy-two".