Base | Representation |
---|---|
bin | 11100011001001110… |
… | …11001011110010100 |
3 | 1110100101100110202012 |
4 | 32030213121132110 |
5 | 222204433240314 |
6 | 11000352403352 |
7 | 1046522126360 |
oct | 161447313624 |
9 | 43311313665 |
10 | 15244040084 |
11 | 6512954a39 |
12 | 2b55246558 |
13 | 158c282a80 |
14 | a487cc2a0 |
15 | 5e346c93e |
hex | 38c9d9794 |
15244040084 has 24 divisors (see below), whose sum is σ = 32833317888. Its totient is φ = 6030609120.
The previous prime is 15244040083. The next prime is 15244040143. The reversal of 15244040084 is 48004044251.
It is a self number, because there is not a number n which added to its sum of digits gives 15244040084.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15244040083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20939252 + ... + 20939979.
It is an arithmetic number, because the mean of its divisors is an integer number (1368054912).
Almost surely, 215244040084 is an apocalyptic number.
15244040084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
15244040084 is an abundant number, since it is smaller than the sum of its proper divisors (17589277804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15244040084 is a wasteful number, since it uses less digits than its factorization.
15244040084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41879255 (or 41879253 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 32.
The spelling of 15244040084 in words is "fifteen billion, two hundred forty-four million, forty thousand, eighty-four".
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