Base | Representation |
---|---|
bin | 11001101101001100… |
… | …01001100010110011 |
3 | 1022121210202221110200 |
4 | 30312212021202303 |
5 | 211231010401430 |
6 | 10201240330243 |
7 | 665666322522 |
oct | 146646114263 |
9 | 38553687420 |
10 | 13800872115 |
11 | 5942261538 |
12 | 2811a73983 |
13 | 13bc29b824 |
14 | 94cc804b9 |
15 | 55b8ec460 |
hex | 3369898b3 |
13800872115 has 24 divisors (see below), whose sum is σ = 23989305600. Its totient is φ = 7339605504.
The previous prime is 13800872087. The next prime is 13800872159. The reversal of 13800872115 is 51127800831.
13800872115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13800872115 - 29 = 13800871603 is a prime.
It is a super-2 number, since 2×138008721152 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13800872115.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 418515 + ... + 450284.
It is an arithmetic number, because the mean of its divisors is an integer number (999554400).
Almost surely, 213800872115 is an apocalyptic number.
13800872115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13800872115 is a deficient number, since it is larger than the sum of its proper divisors (10188433485).
13800872115 is a wasteful number, since it uses less digits than its factorization.
13800872115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 869163 (or 869160 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 36.
The spelling of 13800872115 in words is "thirteen billion, eight hundred million, eight hundred seventy-two thousand, one hundred fifteen".
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