Base | Representation |
---|---|
bin | 110111111001001111… |
… | …0101010111000011111 |
3 | 102110211020211201220012 |
4 | 1233302132222320133 |
5 | 3431311223240411 |
6 | 131050403313435 |
7 | 11446340142665 |
oct | 1576236527037 |
9 | 373736751805 |
10 | 120032243231 |
11 | 469a6087a1a |
12 | 1b31a67b87b |
13 | b41ba963c4 |
14 | 5b4973ac35 |
15 | 31c7c2418b |
hex | 1bf27aae1f |
120032243231 has 4 divisors (see below), whose sum is σ = 122823690792. Its totient is φ = 117240795672.
The previous prime is 120032243207. The next prime is 120032243237. The reversal of 120032243231 is 132342230021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132342230021 = 2003 ⋅66072007.
It is a cyclic number.
It is not a de Polignac number, because 120032243231 - 210 = 120032242207 is a prime.
It is a super-2 number, since 2×1200322432312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120032243197 and 120032243206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120032243237) 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, 1395723716 + ... + 1395723801.
It is an arithmetic number, because the mean of its divisors is an integer number (30705922698).
Almost surely, 2120032243231 is an apocalyptic number.
120032243231 is a deficient number, since it is larger than the sum of its proper divisors (2791447561).
120032243231 is an equidigital number, since it uses as much as digits as its factorization.
120032243231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2791447560.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 120032243231 its reverse (132342230021), we get a palindrome (252374473252).
The spelling of 120032243231 in words is "one hundred twenty billion, thirty-two million, two hundred forty-three thousand, two hundred thirty-one".
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