Base | Representation |
---|---|
bin | 1101101000101101001110… |
… | …1011111110001011101001 |
3 | 1222002022112001212111111200 |
4 | 3122023103223332023221 |
5 | 3431121114232220010 |
6 | 51515403332514413 |
7 | 3105131130006456 |
oct | 332132353761351 |
9 | 58068461774450 |
10 | 14992987382505 |
11 | 4860543569230 |
12 | 18218a917ba09 |
13 | 849aa9419782 |
14 | 39b9433d282d |
15 | 1b0006ba6cc0 |
hex | da2d3afe2e9 |
14992987382505 has 48 divisors (see below), whose sum is σ = 30018045343104. Its totient is φ = 6841719728640.
The previous prime is 14992987382497. The next prime is 14992987382507. The reversal of 14992987382505 is 50528378929941.
14992987382505 is a `hidden beast` number, since 1 + 4 + 9 + 9 + 2 + 9 + 87 + 38 + 2 + 505 = 666.
It is not a de Polignac number, because 14992987382505 - 23 = 14992987382497 is a prime.
It is not an unprimeable number, because it can be changed into a prime (14992987382507) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 890840509 + ... + 890857338.
It is an arithmetic number, because the mean of its divisors is an integer number (625375944648).
Almost surely, 214992987382505 is an apocalyptic number.
14992987382505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
14992987382505 is an abundant number, since it is smaller than the sum of its proper divisors (15025057960599).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14992987382505 is a wasteful number, since it uses less digits than its factorization.
14992987382505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1781697886 (or 1781697883 counting only the distinct ones).
The product of its (nonzero) digits is 391910400, while the sum is 72.
The spelling of 14992987382505 in words is "fourteen trillion, nine hundred ninety-two billion, nine hundred eighty-seven million, three hundred eighty-two thousand, five hundred five".
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