Base | Representation |
---|---|
bin | 1101101001110111110101… |
… | …0100000101000101001001 |
3 | 1222011020012200211010101112 |
4 | 3122131331110011011021 |
5 | 3431433122324141314 |
6 | 51532514421500105 |
7 | 3106440313640024 |
oct | 332357524050511 |
9 | 58136180733345 |
10 | 15013013115209 |
11 | 4868a8a57364a |
12 | 1825757871635 |
13 | 84b94b233c55 |
14 | 39c8c2c961bb |
15 | 1b07c9d0743e |
hex | da77d505149 |
15013013115209 has 32 divisors (see below), whose sum is σ = 16599713356800. Its totient is φ = 13522600607040.
The previous prime is 15013013115187. The next prime is 15013013115229. The reversal of 15013013115209 is 90251131031051.
15013013115209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15013013115209 is a prime.
It is a super-2 number, since 2×150130131152092 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (15013013115229) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9083414 + ... + 10608224.
It is an arithmetic number, because the mean of its divisors is an integer number (518741042400).
Almost surely, 215013013115209 is an apocalyptic number.
15013013115209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
15013013115209 is a deficient number, since it is larger than the sum of its proper divisors (1586700241591).
15013013115209 is a wasteful number, since it uses less digits than its factorization.
15013013115209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1525133.
The product of its (nonzero) digits is 4050, while the sum is 32.
The spelling of 15013013115209 in words is "fifteen trillion, thirteen billion, thirteen million, one hundred fifteen thousand, two hundred nine".
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