Search a number
-
+
64212450468 = 22315493454511
BaseRepresentation
bin111011110011010111…
…000011110010100100
320010202002001110110020
4323303113003302210
52023001341403333
645255423355140
74432146552255
oct736327036244
9203662043406
1064212450468
1125261288491
1210540752ab0
1360943a4c2a
14317210ab2c
151a0c4913b3
hexef35c3ca4

64212450468 has 24 divisors (see below), whose sum is σ = 149925820800. Its totient is φ = 21390325920.

The previous prime is 64212450431. The next prime is 64212450469. The reversal of 64212450468 is 86405421246.

It is not an unprimeable number, because it can be changed into a prime (64212450469) 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, 1708668 + ... + 1745843.

It is an arithmetic number, because the mean of its divisors is an integer number (6246909200).

Almost surely, 264212450468 is an apocalyptic number.

It is an amenable number.

64212450468 is an abundant number, since it is smaller than the sum of its proper divisors (85713370332).

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

64212450468 is a wasteful number, since it uses less digits than its factorization.

64212450468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456067 (or 3456065 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 64212450468 in words is "sixty-four billion, two hundred twelve million, four hundred fifty thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 1549 3098 4647 6196 9294 18588 3454511 6909022 10363533 13818044 20727066 41454132 5351037539 10702075078 16053112617 21404150156 32106225234 64212450468