Base | Representation |
---|---|
bin | 10111010110101010… |
… | …00100011111001111 |
3 | 1012100210122122221022 |
4 | 23223111010133033 |
5 | 201134223310014 |
6 | 5432051024355 |
7 | 622464060236 |
oct | 135325043717 |
9 | 35323578838 |
10 | 12538103759 |
11 | 5354483a25 |
12 | 251ab9b0bb |
13 | 124a79b30c |
14 | 86d291b1d |
15 | 4d5b13a8e |
hex | 2eb5447cf |
12538103759 has 8 divisors (see below), whose sum is σ = 12768690480. Its totient is φ = 12308795136.
The previous prime is 12538103749. The next prime is 12538103761. The reversal of 12538103759 is 95730183521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12538103759 - 216 = 12538038223 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12538103749) 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, 299714 + ... + 338975.
It is an arithmetic number, because the mean of its divisors is an integer number (1596086310).
Almost surely, 212538103759 is an apocalyptic number.
12538103759 is a deficient number, since it is larger than the sum of its proper divisors (230586721).
12538103759 is an equidigital number, since it uses as much as digits as its factorization.
12538103759 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 639049.
The product of its (nonzero) digits is 226800, while the sum is 44.
The spelling of 12538103759 in words is "twelve billion, five hundred thirty-eight million, one hundred three thousand, seven hundred fifty-nine".
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