Base | Representation |
---|---|
bin | 111011001110… |
… | …1110010100011 |
3 | 2011102202110121 |
4 | 1312131302203 |
5 | 30422230021 |
6 | 3025341111 |
7 | 524651251 |
oct | 166356243 |
9 | 64382417 |
10 | 31055011 |
11 | 165910a9 |
12 | a497797 |
13 | 6584260 |
14 | 41a55d1 |
15 | 2ad6741 |
hex | 1d9dca3 |
31055011 has 8 divisors (see below), whose sum is σ = 33499760. Its totient is φ = 28618272.
The previous prime is 31055009. The next prime is 31055021. The reversal of 31055011 is 11055013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31055011 - 21 = 31055009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31055021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7900 + ... + 11158.
It is an arithmetic number, because the mean of its divisors is an integer number (4187470).
Almost surely, 231055011 is an apocalyptic number.
31055011 is a deficient number, since it is larger than the sum of its proper divisors (2444749).
31055011 is a wasteful number, since it uses less digits than its factorization.
31055011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4005.
The product of its (nonzero) digits is 75, while the sum is 16.
The square root of 31055011 is about 5572.7023067808. The cubic root of 31055011 is about 314.3237731655.
The spelling of 31055011 in words is "thirty-one million, fifty-five thousand, eleven".
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