Search a number
-
+
64564424754 = 23104910258091
BaseRepresentation
bin111100001000010101…
…101111000000110010
320011122121100121101220
4330020111233000302
52024211443043004
645354355405510
74443652361334
oct741025570062
9204577317356
1064564424754
1125421a30a25
121061a5b3896
13611c29c93b
1431a6b6d454
151a2d319dd9
hexf0856f032

64564424754 has 16 divisors (see below), whose sum is σ = 129251959200. Its totient is φ = 21500956640.

The previous prime is 64564424753. The next prime is 64564424767. The reversal of 64564424754 is 45742446546.

It is a junction number, because it is equal to n+sod(n) for n = 64564424697 and 64564424706.

It is not an unprimeable number, because it can be changed into a prime (64564424753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5122752 + ... + 5135339.

It is an arithmetic number, because the mean of its divisors is an integer number (8078247450).

Almost surely, 264564424754 is an apocalyptic number.

64564424754 is an abundant number, since it is smaller than the sum of its proper divisors (64687534446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64564424754 is a wasteful number, since it uses less digits than its factorization.

64564424754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10259145.

The product of its digits is 12902400, while the sum is 51.

The spelling of 64564424754 in words is "sixty-four billion, five hundred sixty-four million, four hundred twenty-four thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 1049 2098 3147 6294 10258091 20516182 30774273 61548546 10760737459 21521474918 32282212377 64564424754