Base | Representation |
---|---|
bin | 10111010000111100… |
… | …00110110011111100 |
3 | 1012020110101220022000 |
4 | 23220132012303330 |
5 | 201034434002144 |
6 | 5423215022300 |
7 | 621342306012 |
oct | 135036066374 |
9 | 35213356260 |
10 | 12490140924 |
11 | 532a3a4818 |
12 | 2506b0a990 |
13 | 1240877241 |
14 | 866b688b2 |
15 | 4d17dc769 |
hex | 2e8786cfc |
12490140924 has 48 divisors (see below), whose sum is σ = 34286666400. Its totient is φ = 3918475008.
The previous prime is 12490140919. The next prime is 12490140953. The reversal of 12490140924 is 42904109421.
12490140924 is a `hidden beast` number, since 1 + 2 + 490 + 140 + 9 + 24 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3399619 + ... + 3403290.
It is an arithmetic number, because the mean of its divisors is an integer number (714305550).
Almost surely, 212490140924 is an apocalyptic number.
It is an amenable number.
12490140924 is an abundant number, since it is smaller than the sum of its proper divisors (21796525476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12490140924 is a wasteful number, since it uses less digits than its factorization.
12490140924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6802939 (or 6802931 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The spelling of 12490140924 in words is "twelve billion, four hundred ninety million, one hundred forty thousand, nine hundred twenty-four".
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