Base | Representation |
---|---|
bin | 110111111001100100… |
… | …0011110111010000111 |
3 | 102110212000110121120011 |
4 | 1233303020132322013 |
5 | 3431322030013411 |
6 | 131051434251051 |
7 | 11446532254156 |
oct | 1576310367207 |
9 | 373760417504 |
10 | 120043204231 |
11 | 46a012940a5 |
12 | 1b322286a87 |
13 | b4211334c2 |
14 | 5b4ad9159d |
15 | 31c8b8bc21 |
hex | 1bf321ee87 |
120043204231 has 4 divisors (see below), whose sum is σ = 120043917352. Its totient is φ = 120042491112.
The previous prime is 120043204213. The next prime is 120043204289. The reversal of 120043204231 is 132402340021.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 120043204231 - 211 = 120043202183 is a prime.
It is a super-2 number, since 2×1200432042312 (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 (120043204291) 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, 51961 + ... + 492733.
It is an arithmetic number, because the mean of its divisors is an integer number (30010979338).
Almost surely, 2120043204231 is an apocalyptic number.
120043204231 is a deficient number, since it is larger than the sum of its proper divisors (713121).
120043204231 is an equidigital number, since it uses as much as digits as its factorization.
120043204231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 713120.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 120043204231 its reverse (132402340021), we get a palindrome (252445544252).
The spelling of 120043204231 in words is "one hundred twenty billion, forty-three million, two hundred four thousand, two hundred thirty-one".
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