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680614448904 = 2333131092419227
BaseRepresentation
bin10011110011101111100…
…10000100111100001000
32102001210012011100221000
421321313302010330020
542122344244331104
61240400413415000
7100113155234565
oct11716762047410
92361705140830
10680614448904
11242713127195
12abaa849a460
134c249179750
1424d2888786c
1512a87260639
hex9e77c84f08

680614448904 has 256 divisors, whose sum is σ = 2063454624000. Its totient is φ = 206615162880.

The previous prime is 680614448887. The next prime is 680614448923. The reversal of 680614448904 is 409844416086.

680614448904 is a `hidden beast` number, since 68 + 0 + 61 + 44 + 489 + 0 + 4 = 666.

680614448904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73758739 + ... + 73767965.

It is an arithmetic number, because the mean of its divisors is an integer number (8060369625).

Almost surely, 2680614448904 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 680614448904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031727312000).

680614448904 is an abundant number, since it is smaller than the sum of its proper divisors (1382840175096).

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

680614448904 is a wasteful number, since it uses less digits than its factorization.

680614448904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9605 (or 9595 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 680614448904 in words is "six hundred eighty billion, six hundred fourteen million, four hundred forty-eight thousand, nine hundred four".