Base | Representation |
---|---|
bin | 101110000101… |
… | …010000000011 |
3 | 211201201211021 |
4 | 232011100003 |
5 | 11043031011 |
6 | 1110530311 |
7 | 204452020 |
oct | 56052003 |
9 | 24651737 |
10 | 12080131 |
11 | 6900a88 |
12 | 4066997 |
13 | 266c60b |
14 | 1866547 |
15 | 10d9471 |
hex | b85403 |
12080131 has 8 divisors (see below), whose sum is σ = 14066784. Its totient is φ = 10158720.
The previous prime is 12080027. The next prime is 12080141. The reversal of 12080131 is 13108021.
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 12080131 - 29 = 12079619 is a prime.
It is a super-2 number, since 2×120801312 = 291859129954322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12080141) 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, 15910 + ... + 16651.
It is an arithmetic number, because the mean of its divisors is an integer number (1758348).
Almost surely, 212080131 is an apocalyptic number.
12080131 is a deficient number, since it is larger than the sum of its proper divisors (1986653).
12080131 is an equidigital number, since it uses as much as digits as its factorization.
12080131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32621.
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 12080131 is about 3475.6482848528. The cubic root of 12080131 is about 229.4513133955.
Adding to 12080131 its reverse (13108021), we get a palindrome (25188152).
The spelling of 12080131 in words is "twelve million, eighty thousand, one hundred thirty-one".
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