Search a number
-
+
64010428247 = 416591536533
BaseRepresentation
bin111011100111010100…
…011001111101010111
320010012222220200001202
4323213110121331113
52022043132200442
645223405343115
74424144443223
oct734724317527
9203188820052
1064010428247
1125168244177
12104a4b67a9b
13606159035c
14315335d783
1519e9887c32
hexee7519f57

64010428247 has 4 divisors (see below), whose sum is σ = 64012006440. Its totient is φ = 64008850056.

The previous prime is 64010428243. The next prime is 64010428259. The reversal of 64010428247 is 74282401046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64010428247 - 22 = 64010428243 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 64010428247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64010428241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726608 + ... + 809925.

It is an arithmetic number, because the mean of its divisors is an integer number (16003001610).

Almost surely, 264010428247 is an apocalyptic number.

64010428247 is a deficient number, since it is larger than the sum of its proper divisors (1578193).

64010428247 is a wasteful number, since it uses less digits than its factorization.

64010428247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578192.

The product of its (nonzero) digits is 86016, while the sum is 38.

The spelling of 64010428247 in words is "sixty-four billion, ten million, four hundred twenty-eight thousand, two hundred forty-seven".

Divisors: 1 41659 1536533 64010428247