Search a number
-
+
64304005715 = 5311732398061
BaseRepresentation
bin111011111000110100…
…010100001001010011
320010222110022221122022
4323320310110021103
52023143311140330
645312454002055
74434341013215
oct737064241123
9203873287568
1064304005715
11252a8a31284
121056734632b
1360aa34ca31
1431803405b5
151a15528ae5
hexef8d14253

64304005715 has 16 divisors (see below), whose sum is σ = 80114455296. Its totient is φ = 49495958400.

The previous prime is 64304005709. The next prime is 64304005721. The reversal of 64304005715 is 51750040346.

64304005715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64304005709) and next prime (64304005721).

It is not a de Polignac number, because 64304005715 - 210 = 64304004691 is a prime.

It is a super-2 number, since 2×643040057152 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172216 + ... + 1225845.

It is an arithmetic number, because the mean of its divisors is an integer number (5007153456).

Almost surely, 264304005715 is an apocalyptic number.

64304005715 is a deficient number, since it is larger than the sum of its proper divisors (15810449581).

64304005715 is a wasteful number, since it uses less digits than its factorization.

64304005715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398270.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 64304005715 in words is "sixty-four billion, three hundred four million, five thousand, seven hundred fifteen".

Divisors: 1 5 31 155 173 865 5363 26815 2398061 11990305 74339891 371699455 414864553 2074322765 12860801143 64304005715