Base | Representation |
---|---|
bin | 11001110101001110… |
… | …00110111100111111 |
3 | 1022210111112012120011 |
4 | 30322213012330333 |
5 | 211400231420021 |
6 | 10212044204051 |
7 | 1000445013520 |
oct | 147247067477 |
9 | 38714465504 |
10 | 13868232511 |
11 | 597728a391 |
12 | 2830539627 |
13 | 1400224a53 |
14 | 957bb6847 |
15 | 5627a5de1 |
hex | 33a9c6f3f |
13868232511 has 16 divisors (see below), whose sum is σ = 16868706624. Its totient is φ = 11129831424.
The previous prime is 13868232479. The next prime is 13868232517. The reversal of 13868232511 is 11523286831.
It is a cyclic number.
It is not a de Polignac number, because 13868232511 - 25 = 13868232479 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13868232517) 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, 278950 + ... + 324883.
It is an arithmetic number, because the mean of its divisors is an integer number (1054294164).
Almost surely, 213868232511 is an apocalyptic number.
13868232511 is a deficient number, since it is larger than the sum of its proper divisors (3000474113).
13868232511 is a wasteful number, since it uses less digits than its factorization.
13868232511 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 604050.
The product of its digits is 69120, while the sum is 40.
The spelling of 13868232511 in words is "thirteen billion, eight hundred sixty-eight million, two hundred thirty-two thousand, five hundred eleven".
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