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8796640768020 = 22325723140180231
BaseRepresentation
bin1000000000000010000010…
…1001011111000000010100
31011010221200000112110212200
42000000200221133000110
52123111010014034040
630413042044244500
71565351646551100
oct200004051370024
934127600473780
108796640768020
1128916a8427256
12ba0a21240730
134ba69a91ccb1
14225a8c80a900
15103c4a3a4630
hex80020a5f014

8796640768020 has 432 divisors, whose sum is σ = 32121154630656. Its totient is φ = 1940924160000.

The previous prime is 8796640768009. The next prime is 8796640768061. The reversal of 8796640768020 is 208670466978.

8796640768020 is a `hidden beast` number, since 8 + 79 + 66 + 407 + 6 + 80 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 109601305 + ... + 109681535.

It is an arithmetic number, because the mean of its divisors is an integer number (74354524608).

Almost surely, 28796640768020 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 8796640768020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16060577315328).

8796640768020 is an abundant number, since it is smaller than the sum of its proper divisors (23324513862636).

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

8796640768020 is a wasteful number, since it uses less digits than its factorization.

8796640768020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80692 (or 80680 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 8796640768020 in words is "eight trillion, seven hundred ninety-six billion, six hundred forty million, seven hundred sixty-eight thousand, twenty".