Base | Representation |
---|---|
bin | 11100011000101000… |
… | …10101010011011100 |
3 | 1110100000221120000220 |
4 | 32030110111103130 |
5 | 222202143323033 |
6 | 11000053321340 |
7 | 1046431502442 |
oct | 161424252334 |
9 | 43300846026 |
10 | 15239042268 |
11 | 651005100a |
12 | 2b53636250 |
13 | 158b222c98 |
14 | a47c8ab92 |
15 | 5e2cd1bb3 |
hex | 38c5154dc |
15239042268 has 48 divisors (see below), whose sum is σ = 36276495360. Its totient is φ = 4977558144.
The previous prime is 15239042263. The next prime is 15239042303. The reversal of 15239042268 is 86224093251.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15239042263) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187221 + ... + 255987.
It is an arithmetic number, because the mean of its divisors is an integer number (755760320).
Almost surely, 215239042268 is an apocalyptic number.
It is an amenable number.
15239042268 is an abundant number, since it is smaller than the sum of its proper divisors (21037453092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15239042268 is a wasteful number, since it uses less digits than its factorization.
15239042268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69146 (or 69144 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 42.
The spelling of 15239042268 in words is "fifteen billion, two hundred thirty-nine million, forty-two thousand, two hundred sixty-eight".
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