Base | Representation |
---|---|
bin | 1101010001111… |
… | …11001110000001 |
3 | 21202122010001021 |
4 | 12220333032001 |
5 | 212010024001 |
6 | 15015505441 |
7 | 2521644445 |
oct | 650771601 |
9 | 252563037 |
10 | 111408001 |
11 | 57983531 |
12 | 31388281 |
13 | 1a1091c3 |
14 | 10b20825 |
15 | 9ba9ba1 |
hex | 6a3f381 |
111408001 has 16 divisors (see below), whose sum is σ = 121478400. Its totient is φ = 101824128.
The previous prime is 111407983. The next prime is 111408007. The reversal of 111408001 is 100804111.
It is a cyclic number.
It is not a de Polignac number, because 111408001 - 27 = 111407873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (111408007) 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, 64335 + ... + 66043.
It is an arithmetic number, because the mean of its divisors is an integer number (7592400).
Almost surely, 2111408001 is an apocalyptic number.
It is an amenable number.
111408001 is a deficient number, since it is larger than the sum of its proper divisors (10070399).
111408001 is a wasteful number, since it uses less digits than its factorization.
111408001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1848.
The product of its (nonzero) digits is 32, while the sum is 16.
The square root of 111408001 is about 10554.9988630980. The cubic root of 111408001 is about 481.1776652737.
The spelling of 111408001 in words is "one hundred eleven million, four hundred eight thousand, one".
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