Base | Representation |
---|---|
bin | 111110111010101… |
… | …0111110011001001 |
3 | 12110010111011220200 |
4 | 1331311113303021 |
5 | 13310423034423 |
6 | 545253042413 |
7 | 103213264122 |
oct | 17565276311 |
9 | 5403434820 |
10 | 2111143113 |
11 | 99375a082 |
12 | 4ab026409 |
13 | 2784bcb11 |
14 | 16054b049 |
15 | c5518d43 |
hex | 7dd57cc9 |
2111143113 has 24 divisors (see below), whose sum is σ = 3369195648. Its totient is φ = 1267043712.
The previous prime is 2111143091. The next prime is 2111143127. The reversal of 2111143113 is 3113411112.
It is a happy number.
2111143113 is a `hidden beast` number, since 211 + 11 + 431 + 13 = 666.
It is not a de Polignac number, because 2111143113 - 26 = 2111143049 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2111143213) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296445 + ... + 303482.
It is an arithmetic number, because the mean of its divisors is an integer number (140383152).
Almost surely, 22111143113 is an apocalyptic number.
2111143113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
2111143113 is a deficient number, since it is larger than the sum of its proper divisors (1258052535).
2111143113 is a wasteful number, since it uses less digits than its factorization.
2111143113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 599973 (or 599970 counting only the distinct ones).
The product of its digits is 72, while the sum is 18.
The square root of 2111143113 is about 45947.1774214695. The cubic root of 2111143113 is about 1282.8401924616.
Adding to 2111143113 its reverse (3113411112), we get a palindrome (5224554225).
The spelling of 2111143113 in words is "two billion, one hundred eleven million, one hundred forty-three thousand, one hundred thirteen".
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