Base | Representation |
---|---|
bin | 110100111010… |
… | …011110100011 |
3 | 222002201110011 |
4 | 310322132203 |
5 | 12022333021 |
6 | 1213145351 |
7 | 225621160 |
oct | 64723643 |
9 | 28081404 |
10 | 13871011 |
11 | 7914550 |
12 | 478b257 |
13 | 2b487cb |
14 | 1bb1067 |
15 | 133ede1 |
hex | d3a7a3 |
13871011 has 16 divisors (see below), whose sum is σ = 17422848. Its totient is φ = 10728000.
The previous prime is 13870979. The next prime is 13871023. The reversal of 13871011 is 11017831.
13871011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 13871011 - 25 = 13870979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13871051) 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, 11031 + ... + 12223.
It is an arithmetic number, because the mean of its divisors is an integer number (1088928).
Almost surely, 213871011 is an apocalyptic number.
13871011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13871011 is a deficient number, since it is larger than the sum of its proper divisors (3551837).
13871011 is a wasteful number, since it uses less digits than its factorization.
13871011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1362.
The product of its (nonzero) digits is 168, while the sum is 22.
The square root of 13871011 is about 3724.3806196467. The cubic root of 13871011 is about 240.2717465895.
Adding to 13871011 its reverse (11017831), we get a palindrome (24888842).
The spelling of 13871011 in words is "thirteen million, eight hundred seventy-one thousand, eleven".
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