Base | Representation |
---|---|
bin | 11100011100000111… |
… | …01110111000000000 |
3 | 1110102001220012122021 |
4 | 32032003232320000 |
5 | 222232132314432 |
6 | 11003015251224 |
7 | 1050234640540 |
oct | 161603567000 |
9 | 43361805567 |
10 | 15268244992 |
11 | 65255874a0 |
12 | 2b61379b14 |
13 | 15942a90c0 |
14 | a4bacd320 |
15 | 5e564e697 |
hex | 38e0eee00 |
15268244992 has 320 divisors, whose sum is σ = 42325291008. Its totient is φ = 5313945600.
The previous prime is 15268244989. The next prime is 15268245001. The reversal of 15268244992 is 29944286251.
It is a Harshad number since it is a multiple of its sum of digits (52).
Its product of digits (2488320) is a multiple of the sum of its prime divisors (64).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492524017 + ... + 492524047.
Almost surely, 215268244992 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15268244992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21162645504).
15268244992 is an abundant number, since it is smaller than the sum of its proper divisors (27057046016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15268244992 is an frugal number, since it uses more digits than its factorization.
15268244992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142 (or 64 counting only the distinct ones).
The product of its digits is 2488320, while the sum is 52.
The spelling of 15268244992 in words is "fifteen billion, two hundred sixty-eight million, two hundred forty-four thousand, nine hundred ninety-two".
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