Base | Representation |
---|---|
bin | 11011100011000… |
… | …00000001001011 |
3 | 121002211002011221 |
4 | 31301200001023 |
5 | 433124030021 |
6 | 34532502511 |
7 | 5504101441 |
oct | 1561400113 |
9 | 532732157 |
10 | 231080011 |
11 | 109490918 |
12 | 6547aa37 |
13 | 38b49a46 |
14 | 22992b91 |
15 | 15448241 |
hex | dc6004b |
231080011 has 4 divisors (see below), whose sum is σ = 241126992. Its totient is φ = 221033032.
The previous prime is 231080009. The next prime is 231080023. The reversal of 231080011 is 110080132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 231080011 - 21 = 231080009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231080041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5023456 + ... + 5023501.
It is an arithmetic number, because the mean of its divisors is an integer number (60281748).
Almost surely, 2231080011 is an apocalyptic number.
231080011 is a deficient number, since it is larger than the sum of its proper divisors (10046981).
231080011 is a wasteful number, since it uses less digits than its factorization.
231080011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10046980.
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 231080011 is about 15201.3160943387. The cubic root of 231080011 is about 613.6500771868.
The spelling of 231080011 in words is "two hundred thirty-one million, eighty thousand, eleven".
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