Base | Representation |
---|---|
bin | 110111111110110111… |
… | …1100110010010000011 |
3 | 102111022102110021021222 |
4 | 1233331233212102003 |
5 | 3432203113331321 |
6 | 131121234105255 |
7 | 11454123411305 |
oct | 1577557462203 |
9 | 374272407258 |
10 | 120221230211 |
11 | 46a92828705 |
12 | 1b371a1b22b |
13 | b44bc95a14 |
14 | 5b66893975 |
15 | 31d96053ab |
hex | 1bfdbe6483 |
120221230211 has 16 divisors (see below), whose sum is σ = 127313844000. Its totient is φ = 113207217408.
The previous prime is 120221230201. The next prime is 120221230219. The reversal of 120221230211 is 112032122021.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120221230211 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 120221230211.
It is not an unprimeable number, because it can be changed into a prime (120221230219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2073431 + ... + 2130623.
It is an arithmetic number, because the mean of its divisors is an integer number (7957115250).
Almost surely, 2120221230211 is an apocalyptic number.
120221230211 is a deficient number, since it is larger than the sum of its proper divisors (7092613789).
120221230211 is a wasteful number, since it uses less digits than its factorization.
120221230211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57878.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 120221230211 its reverse (112032122021), we get a palindrome (232253352232).
The spelling of 120221230211 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred thirty thousand, two hundred eleven".
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