Base | Representation |
---|---|
bin | 1110010101001… |
… | …10100101101011 |
3 | 22101012210212000 |
4 | 13022212211223 |
5 | 221234020021 |
6 | 15532422043 |
7 | 2656565442 |
oct | 712464553 |
9 | 271183760 |
10 | 120220011 |
11 | 6195208a |
12 | 34317923 |
13 | 1bba3102 |
14 | 11d75d59 |
15 | a84ab26 |
hex | 72a696b |
120220011 has 48 divisors (see below), whose sum is σ = 196425600. Its totient is φ = 72463248.
The previous prime is 120220007. The next prime is 120220021. The reversal of 120220011 is 110022021.
It is not a de Polignac number, because 120220011 - 22 = 120220007 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 120219975 and 120220002.
It is not an unprimeable number, because it can be changed into a prime (120220021) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271156 + ... + 271598.
It is an arithmetic number, because the mean of its divisors is an integer number (4092200).
Almost surely, 2120220011 is an apocalyptic number.
120220011 is a deficient number, since it is larger than the sum of its proper divisors (76205589).
120220011 is a wasteful number, since it uses less digits than its factorization.
120220011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 517 (or 488 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 120220011 is about 10964.4886337667. The cubic root of 120220011 is about 493.5436718219.
Adding to 120220011 its reverse (110022021), we get a palindrome (230242032).
The spelling of 120220011 in words is "one hundred twenty million, two hundred twenty thousand, eleven".
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