Base | Representation |
---|---|
bin | 111111001011111… |
… | …1011010000000111 |
3 | 12110202112101022020 |
4 | 1332113323100013 |
5 | 13320232414343 |
6 | 550215134223 |
7 | 103353261450 |
oct | 17627732007 |
9 | 5422471266 |
10 | 2120201223 |
11 | 998886618 |
12 | 4b2074373 |
13 | 27a341a4a |
14 | 161828127 |
15 | c6207b83 |
hex | 7e5fb407 |
2120201223 has 32 divisors (see below), whose sum is σ = 3538805760. Its totient is φ = 1100951040.
The previous prime is 2120201221. The next prime is 2120201243. The reversal of 2120201223 is 3221020212.
It is a happy number.
It is not a de Polignac number, because 2120201223 - 21 = 2120201221 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120201221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92043 + ... + 112748.
It is an arithmetic number, because the mean of its divisors is an integer number (110587680).
Almost surely, 22120201223 is an apocalyptic number.
2120201223 is a deficient number, since it is larger than the sum of its proper divisors (1418604537).
2120201223 is a wasteful number, since it uses less digits than its factorization.
2120201223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204847.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2120201223 is about 46045.6428231814. The cubic root of 2120201223 is about 1284.6723006776.
Adding to 2120201223 its reverse (3221020212), we get a palindrome (5341221435).
The spelling of 2120201223 in words is "two billion, one hundred twenty million, two hundred one thousand, two hundred twenty-three".
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