Base | Representation |
---|---|
bin | 1110010011100… |
… | …11100011101001 |
3 | 22100211012010022 |
4 | 13021303203221 |
5 | 221210322420 |
6 | 15524130225 |
7 | 2655035153 |
oct | 711634351 |
9 | 270735108 |
10 | 120010985 |
11 | 6181a036 |
12 | 34236975 |
13 | 1bb2bc23 |
14 | 11d1dad3 |
15 | a808c25 |
hex | 72738e9 |
120010985 has 4 divisors (see below), whose sum is σ = 144013188. Its totient is φ = 96008784.
The previous prime is 120010981. The next prime is 120010999. The reversal of 120010985 is 589010021.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 53114944 + 66896041 = 7288^2 + 8179^2 .
It is a cyclic number.
It is not a de Polignac number, because 120010985 - 22 = 120010981 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120010981) 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, 12001094 + ... + 12001103.
It is an arithmetic number, because the mean of its divisors is an integer number (36003297).
Almost surely, 2120010985 is an apocalyptic number.
It is an amenable number.
120010985 is a deficient number, since it is larger than the sum of its proper divisors (24002203).
120010985 is an equidigital number, since it uses as much as digits as its factorization.
120010985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24002202.
The product of its (nonzero) digits is 720, while the sum is 26.
The square root of 120010985 is about 10954.9525329871. The cubic root of 120010985 is about 493.2574651511.
The spelling of 120010985 in words is "one hundred twenty million, ten thousand, nine hundred eighty-five".
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