Search a number
-
+
5664812497 = 31182735887
BaseRepresentation
bin1010100011010011…
…00010110111010001
3112121210100021212021
411101221202313101
543100142444442
62334040331441
7260244053221
oct52151426721
915553307767
105664812497
112447703523
121121173b81
136c37caa76
143ba4ba081
152324c7e67
hex151a62dd1

5664812497 has 4 divisors (see below), whose sum is σ = 5847548416. Its totient is φ = 5482076580.

The previous prime is 5664812479. The next prime is 5664812509. The reversal of 5664812497 is 7942184665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7942184665 = 51588436933.

It is not a de Polignac number, because 5664812497 - 211 = 5664810449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5664812597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91367913 + ... + 91367974.

It is an arithmetic number, because the mean of its divisors is an integer number (1461887104).

Almost surely, 25664812497 is an apocalyptic number.

It is an amenable number.

5664812497 is a deficient number, since it is larger than the sum of its proper divisors (182735919).

5664812497 is a wasteful number, since it uses less digits than its factorization.

5664812497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182735918.

The product of its digits is 2903040, while the sum is 52.

The square root of 5664812497 is about 75264.9486613789. The cubic root of 5664812497 is about 1782.6326083835.

The spelling of 5664812497 in words is "five billion, six hundred sixty-four million, eight hundred twelve thousand, four hundred ninety-seven".

Divisors: 1 31 182735887 5664812497