Search a number
-
+
12461202432 = 21033731267
BaseRepresentation
bin10111001101011111…
…01101110000000000
31012011102221200011000
423212233231300000
5201010031434212
65420302452000
7620541321150
oct134657556000
935142850130
1012461202432
115315029908
1224b9294000
131237884483
14862d94760
154cdec31dc
hex2e6bedc00

12461202432 has 528 divisors, whose sum is σ = 44230920960. Its totient is φ = 3394068480.

The previous prime is 12461202409. The next prime is 12461202437. The reversal of 12461202432 is 23420216421.

12461202432 is a `hidden beast` number, since 1 + 2 + 4 + 612 + 0 + 2 + 43 + 2 = 666.

12461202432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12461202396 and 12461202405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12461202437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185988063 + ... + 185988129.

Almost surely, 212461202432 is an apocalyptic number.

12461202432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12461202432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22115460480).

12461202432 is an abundant number, since it is smaller than the sum of its proper divisors (31769718528).

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

12461202432 is an equidigital number, since it uses as much as digits as its factorization.

12461202432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12461202432 its reverse (23420216421), we get a palindrome (35881418853).

The spelling of 12461202432 in words is "twelve billion, four hundred sixty-one million, two hundred two thousand, four hundred thirty-two".