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5161913057 = 73731976987
BaseRepresentation
bin1001100111010110…
…01000101011100001
3111022202001100112002
410303223020223201
541032422204212
62212113413345
7241626352130
oct46353105341
914282040462
105161913057
112209846754
12100086a255
1364356c032
1436d7ab917
1520328aac2
hex133ac8ae1

5161913057 has 8 divisors (see below), whose sum is σ = 5915148096. Its totient is φ = 4412632752.

The previous prime is 5161913033. The next prime is 5161913059. The reversal of 5161913057 is 7503191615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5161913057 - 26 = 5161912993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5161913057.

It is not an unprimeable number, because it can be changed into a prime (5161913059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985883 + ... + 991104.

It is an arithmetic number, because the mean of its divisors is an integer number (739393512).

Almost surely, 25161913057 is an apocalyptic number.

It is an amenable number.

5161913057 is a deficient number, since it is larger than the sum of its proper divisors (753235039).

5161913057 is a wasteful number, since it uses less digits than its factorization.

5161913057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977367.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 5161913057 is about 71846.4547281214. The cubic root of 5161913057 is about 1728.2380467353.

The spelling of 5161913057 in words is "five billion, one hundred sixty-one million, nine hundred thirteen thousand, fifty-seven".

Divisors: 1 7 373 2611 1976987 13838909 737416151 5161913057