Search a number
-
+
12451968232 = 2311141499639
BaseRepresentation
bin10111001100011000…
…11111010011101000
31012010210120112012121
423212030133103220
5201000200440412
65415332521024
7620366661244
oct134614372350
935123515177
1012451968232
11530a8a2040
1224b6180174
1312359a0352
14861a6d424
154cd29c107
hex2e631f4e8

12451968232 has 16 divisors (see below), whose sum is σ = 25469935200. Its totient is φ = 5659985520.

The previous prime is 12451968167. The next prime is 12451968233. The reversal of 12451968232 is 23286915421.

It is not an unprimeable number, because it can be changed into a prime (12451968233) 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, 70749732 + ... + 70749907.

It is an arithmetic number, because the mean of its divisors is an integer number (1591870950).

Almost surely, 212451968232 is an apocalyptic number.

It is an amenable number.

12451968232 is an abundant number, since it is smaller than the sum of its proper divisors (13017966968).

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

12451968232 is a wasteful number, since it uses less digits than its factorization.

12451968232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141499656 (or 141499652 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The spelling of 12451968232 in words is "twelve billion, four hundred fifty-one million, nine hundred sixty-eight thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 141499639 282999278 565998556 1131997112 1556496029 3112992058 6225984116 12451968232