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16804947804 = 22312291139473
BaseRepresentation
bin11111010011010011…
…10010011101011100
31121101011110210121020
433221221302131130
5233404031312204
611415312204140
71133304461631
oct175151623534
947334423536
1016804947804
117143a56017
12330bb39650
13177a77c1c8
14b55c28188
156854e8bd9
hex3e9a7275c

16804947804 has 24 divisors (see below), whose sum is σ = 39243484560. Its totient is φ = 5597086464.

The previous prime is 16804947793. The next prime is 16804947827. The reversal of 16804947804 is 40874940861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554989 + ... + 584484.

It is an arithmetic number, because the mean of its divisors is an integer number (1635145190).

Almost surely, 216804947804 is an apocalyptic number.

It is an amenable number.

16804947804 is an abundant number, since it is smaller than the sum of its proper divisors (22438536756).

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

16804947804 is a wasteful number, since it uses less digits than its factorization.

16804947804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140709 (or 1140707 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 16804947804 in words is "sixteen billion, eight hundred four million, nine hundred forty-seven thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 1229 2458 3687 4916 7374 14748 1139473 2278946 3418419 4557892 6836838 13673676 1400412317 2800824634 4201236951 5601649268 8402473902 16804947804