Base | Representation |
---|---|
bin | 101101001111… |
… | …100000111111 |
3 | 211022112220102 |
4 | 231033200333 |
5 | 11014010111 |
6 | 1102111315 |
7 | 202544231 |
oct | 55174077 |
9 | 24275812 |
10 | 11860031 |
11 | 6770687 |
12 | 3b7b53b |
13 | 25c3391 |
14 | 180a251 |
15 | 109413b |
hex | b4f83f |
11860031 has 2 divisors, whose sum is σ = 11860032. Its totient is φ = 11860030.
The previous prime is 11860021. The next prime is 11860039. The reversal of 11860031 is 13006811.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 11860031 - 214 = 11843647 is a prime.
It is a super-2 number, since 2×118600312 = 281320670641922, which contains 22 as substring.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 11859985 and 11860012.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (11860039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5930015 + 5930016.
It is an arithmetic number, because the mean of its divisors is an integer number (5930016).
Almost surely, 211860031 is an apocalyptic number.
11860031 is a deficient number, since it is larger than the sum of its proper divisors (1).
11860031 is an equidigital number, since it uses as much as digits as its factorization.
11860031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 11860031 is about 3443.8395723378. The cubic root of 11860031 is about 228.0492288795.
Adding to 11860031 its reverse (13006811), we get a palindrome (24866842).
The spelling of 11860031 in words is "eleven million, eight hundred sixty thousand, thirty-one".
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