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12931425792 = 2935234519
BaseRepresentation
bin11000000101100010…
…11110011000000000
31020101012202111100000
430002301132120000
5202440421111132
65535101200000
7635311206555
oct140261363000
936335674300
1012931425792
1155364a865a
12260a860000
1312b111214c
148a95d8a2c
1550a40887c
hex302c5e600

12931425792 has 240 divisors, whose sum is σ = 40394914560. Its totient is φ = 4122150912.

The previous prime is 12931425763. The next prime is 12931425799. The reversal of 12931425792 is 29752413921.

12931425792 is a `hidden beast` number, since 1 + 2 + 9 + 31 + 42 + 579 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12931425799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2859309 + ... + 2863827.

It is an arithmetic number, because the mean of its divisors is an integer number (168312144).

Almost surely, 212931425792 is an apocalyptic number.

12931425792 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 12931425792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20197457280).

12931425792 is an abundant number, since it is smaller than the sum of its proper divisors (27463488768).

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

12931425792 is an frugal number, since it uses more digits than its factorization.

12931425792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575 (or 4547 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The spelling of 12931425792 in words is "twelve billion, nine hundred thirty-one million, four hundred twenty-five thousand, seven hundred ninety-two".