Base | Representation |
---|---|
bin | 1110010101010… |
… | …01010011001001 |
3 | 22101020101002012 |
4 | 13022221103021 |
5 | 221234343423 |
6 | 15532545305 |
7 | 2656643012 |
oct | 712512311 |
9 | 271211065 |
10 | 120231113 |
11 | 6195a462 |
12 | 34322235 |
13 | 1bba8192 |
14 | 11d7a009 |
15 | a84e078 |
hex | 72a94c9 |
120231113 has 4 divisors (see below), whose sum is σ = 124109568. Its totient is φ = 116352660.
The previous prime is 120231109. The next prime is 120231121. The reversal of 120231113 is 311132021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 120231113 - 22 = 120231109 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120231173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1939181 + ... + 1939242.
It is an arithmetic number, because the mean of its divisors is an integer number (31027392).
Almost surely, 2120231113 is an apocalyptic number.
It is an amenable number.
120231113 is a deficient number, since it is larger than the sum of its proper divisors (3878455).
120231113 is an equidigital number, since it uses as much as digits as its factorization.
120231113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3878454.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 120231113 is about 10964.9948928397. The cubic root of 120231113 is about 493.5588638384.
Adding to 120231113 its reverse (311132021), we get a palindrome (431363134).
The spelling of 120231113 in words is "one hundred twenty million, two hundred thirty-one thousand, one hundred thirteen".
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