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16457135904 = 2533112379953
BaseRepresentation
bin11110101001110101…
…11111011100100000
31120110221000010101000
433110322333130200
5232201011322104
611321005312000
71121552230026
oct172472773440
946427003330
1016457135904
116a85695870
123233565600
1317236b0c51
14b2196a716
15664be3639
hex3d4ebf720

16457135904 has 384 divisors, whose sum is σ = 55390003200. Its totient is φ = 4704860160.

The previous prime is 16457135897. The next prime is 16457135921. The reversal of 16457135904 is 40953175461.

16457135904 is a `hidden beast` number, since 1 + 6 + 4 + 57 + 1 + 3 + 590 + 4 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16457135904.

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, 17268292 + ... + 17269244.

It is an arithmetic number, because the mean of its divisors is an integer number (144244800).

Almost surely, 216457135904 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 16457135904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27695001600).

16457135904 is an abundant number, since it is smaller than the sum of its proper divisors (38932867296).

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

16457135904 is a wasteful number, since it uses less digits than its factorization.

16457135904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 16457135904 in words is "sixteen billion, four hundred fifty-seven million, one hundred thirty-five thousand, nine hundred four".