Base | Representation |
---|---|
bin | 1110010101001… |
… | …00011001000011 |
3 | 22101012100111200 |
4 | 13022210121003 |
5 | 221233223021 |
6 | 15532312243 |
7 | 2656530264 |
oct | 712443103 |
9 | 271170450 |
10 | 120211011 |
11 | 61946348 |
12 | 34312683 |
13 | 1bb9bc9b |
14 | 11d7296b |
15 | a848126 |
hex | 72a4643 |
120211011 has 6 divisors (see below), whose sum is σ = 173638140. Its totient is φ = 80140668.
The previous prime is 120211009. The next prime is 120211019. The reversal of 120211011 is 110112021.
It is a happy number.
It is not a de Polignac number, because 120211011 - 21 = 120211009 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 13356779 = 120211011 / (1 + 2 + 0 + 2 + 1 + 1 + 0 + 1 + 1).
It is a junction number, because it is equal to n+sod(n) for n = 120210984 and 120211002.
It is not an unprimeable number, because it can be changed into a prime (120211019) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6678381 + ... + 6678398.
It is an arithmetic number, because the mean of its divisors is an integer number (28939690).
Almost surely, 2120211011 is an apocalyptic number.
120211011 is a deficient number, since it is larger than the sum of its proper divisors (53427129).
120211011 is a wasteful number, since it uses less digits than its factorization.
120211011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13356785 (or 13356782 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
The square root of 120211011 is about 10964.0782102282. The cubic root of 120211011 is about 493.5313555032.
Adding to 120211011 its reverse (110112021), we get a palindrome (230323032).
The spelling of 120211011 in words is "one hundred twenty million, two hundred eleven thousand, eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •