Base | Representation |
---|---|
bin | 110111111011100100… |
… | …0001010111010111111 |
3 | 102111000200120221022122 |
4 | 1233313020022322333 |
5 | 3431441204344411 |
6 | 131102231033155 |
7 | 11451305056154 |
oct | 1576710127277 |
9 | 374020527278 |
10 | 120110231231 |
11 | 46a36104511 |
12 | 1b34080b7bb |
13 | b431ca0a53 |
14 | 5b55c3c22b |
15 | 31ce9cb9db |
hex | 1bf720aebf |
120110231231 has 4 divisors (see below), whose sum is σ = 120306170232. Its totient is φ = 119914292232.
The previous prime is 120110231203. The next prime is 120110231233. The reversal of 120110231231 is 132132011021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132132011021 = 37 ⋅3571135433.
It is a cyclic number.
It is not a de Polignac number, because 120110231231 - 234 = 102930362047 is a prime.
It is a super-2 number, since 2×1201102312312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120110231233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97968581 + ... + 97969806.
It is an arithmetic number, because the mean of its divisors is an integer number (30076542558).
Almost surely, 2120110231231 is an apocalyptic number.
120110231231 is a deficient number, since it is larger than the sum of its proper divisors (195939001).
120110231231 is an equidigital number, since it uses as much as digits as its factorization.
120110231231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195939000.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 120110231231 its reverse (132132011021), we get a palindrome (252242242252).
The spelling of 120110231231 in words is "one hundred twenty billion, one hundred ten million, two hundred thirty-one thousand, two hundred thirty-one".
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