Search a number
-
+
16057079808 = 211371133941
BaseRepresentation
bin11101111010001001…
…11001100000000000
31112110001020011120120
432331010321200000
5230341103023213
611213154540240
71105623632520
oct167504714000
945401204516
1016057079808
11689a8917a0
123141597680
13168b84cc73
14ac478d680
1563ea1d423
hex3bd139800

16057079808 has 192 divisors, whose sum is σ = 53373116160. Its totient is φ = 4170547200.

The previous prime is 16057079791. The next prime is 16057079809. The reversal of 16057079808 is 80897075061.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16057079809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456118 + ... + 490058.

It is an arithmetic number, because the mean of its divisors is an integer number (277984980).

Almost surely, 216057079808 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 16057079808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26686558080).

16057079808 is an abundant number, since it is smaller than the sum of its proper divisors (37316036352).

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

16057079808 is a wasteful number, since it uses less digits than its factorization.

16057079808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33984 (or 33964 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 51.

The spelling of 16057079808 in words is "sixteen billion, fifty-seven million, seventy-nine thousand, eight hundred eight".