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5208148057 = 74391694809
BaseRepresentation
bin1001101100110111…
…00000100001011001
3111102222001100000111
410312123200201121
541131241214212
62220444404321
7243030346060
oct46633404131
914388040014
105208148057
1122329557a2
1210142466a1
13650009818
143759a51d7
1520736eea7
hex1366e0859

5208148057 has 8 divisors (see below), whose sum is σ = 5965731200. Its totient is φ = 4453955424.

The previous prime is 5208147983. The next prime is 5208148061. The reversal of 5208148057 is 7508418025.

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 5208148057 - 219 = 5207623769 is a prime.

It is the 72168-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5208148357) by changing a digit.

It is a nontrivial repunit in base 72167.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844332 + ... + 850477.

It is an arithmetic number, because the mean of its divisors is an integer number (745716400).

Almost surely, 25208148057 is an apocalyptic number.

It is an amenable number.

5208148057 is a deficient number, since it is larger than the sum of its proper divisors (757583143).

5208148057 is a wasteful number, since it uses less digits than its factorization.

5208148057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695255.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 5208148057 is about 72167.5000051962. The cubic root of 5208148057 is about 1733.3826314833.

The spelling of 5208148057 in words is "five billion, two hundred eight million, one hundred forty-eight thousand, fifty-seven".

Divisors: 1 7 439 3073 1694809 11863663 744021151 5208148057