Base | Representation |
---|---|
bin | 11001001001010101… |
… | …00111010000011001 |
3 | 1021211211201201112122 |
4 | 30210222213100121 |
5 | 210122003140010 |
6 | 10111332551025 |
7 | 655354360442 |
oct | 144452472031 |
9 | 37754651478 |
10 | 13500052505 |
11 | 57a8478295 |
12 | 2749182475 |
13 | 1371b74964 |
14 | 920d362c9 |
15 | 5402ca855 |
hex | 324aa7419 |
13500052505 has 16 divisors (see below), whose sum is σ = 16548525504. Its totient is φ = 10570167360.
The previous prime is 13500052439. The next prime is 13500052523. The reversal of 13500052505 is 50525000531.
It is not a de Polignac number, because 13500052505 - 230 = 12426310681 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107606 + ... + 196415.
It is an arithmetic number, because the mean of its divisors is an integer number (1034282844).
Almost surely, 213500052505 is an apocalyptic number.
It is an amenable number.
13500052505 is a deficient number, since it is larger than the sum of its proper divisors (3048472999).
13500052505 is a wasteful number, since it uses less digits than its factorization.
13500052505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 304216.
The product of its (nonzero) digits is 3750, while the sum is 26.
The spelling of 13500052505 in words is "thirteen billion, five hundred million, fifty-two thousand, five hundred five".
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