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718680057 = 32310415653
BaseRepresentation
bin101010110101100…
…010111111111001
31212002022201200220
4222311202333321
52432440230212
6155151450253
723544452064
oct5265427771
91762281626
10718680057
11339748a67
12180826989
13b5b7ca94
146b63b8db
154316238c
hex2ad62ff9

718680057 has 8 divisors (see below), whose sum is σ = 999902784. Its totient is φ = 458288688.

The previous prime is 718680047. The next prime is 718680071. The reversal of 718680057 is 750086817.

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

It is not a de Polignac number, because 718680057 - 24 = 718680041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (718680047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5207758 + ... + 5207895.

It is an arithmetic number, because the mean of its divisors is an integer number (124987848).

Almost surely, 2718680057 is an apocalyptic number.

It is an amenable number.

718680057 is a deficient number, since it is larger than the sum of its proper divisors (281222727).

718680057 is a wasteful number, since it uses less digits than its factorization.

718680057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415679.

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 718680057 is about 26808.2087614969. The cubic root of 718680057 is about 895.7329106819.

The spelling of 718680057 in words is "seven hundred eighteen million, six hundred eighty thousand, fifty-seven".

Divisors: 1 3 23 69 10415653 31246959 239560019 718680057