Base | Representation |
---|---|
bin | 111000000001100001… |
… | …0101001100000010111 |
3 | 102111112121200211202120 |
4 | 1300003002221200113 |
5 | 3432343342011411 |
6 | 131134131111023 |
7 | 11456253030603 |
oct | 1600302514027 |
9 | 374477624676 |
10 | 120310110231 |
11 | 47028a14573 |
12 | 1b397742473 |
13 | b464514c4c |
14 | 5b745cc503 |
15 | 31e2310106 |
hex | 1c030a9817 |
120310110231 has 4 divisors (see below), whose sum is σ = 160413480312. Its totient is φ = 80206740152.
The previous prime is 120310110227. The next prime is 120310110241. The reversal of 120310110231 is 132011013021.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 120310110231 - 22 = 120310110227 is a prime.
It is a super-2 number, since 2×1203101102312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 120310110231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120310110241) 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, 20051685036 + ... + 20051685041.
It is an arithmetic number, because the mean of its divisors is an integer number (40103370078).
Almost surely, 2120310110231 is an apocalyptic number.
120310110231 is a deficient number, since it is larger than the sum of its proper divisors (40103370081).
120310110231 is an equidigital number, since it uses as much as digits as its factorization.
120310110231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40103370080.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 120310110231 its reverse (132011013021), we get a palindrome (252321123252).
The spelling of 120310110231 in words is "one hundred twenty billion, three hundred ten million, one hundred ten thousand, two hundred thirty-one".
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