Base | Representation |
---|---|
bin | 110111111110111001… |
… | …0100111101001001101 |
3 | 102111022110221111201200 |
4 | 1233331302213221031 |
5 | 3432203314202341 |
6 | 131121303100113 |
7 | 11454133220340 |
oct | 1577562475115 |
9 | 374273844650 |
10 | 120222022221 |
11 | 46a93219764 |
12 | 1b372141639 |
13 | b44c1b2372 |
14 | 5b66a1c457 |
15 | 31d970edb6 |
hex | 1bfdca7a4d |
120222022221 has 12 divisors (see below), whose sum is σ = 198461751072. Its totient is φ = 68698298376.
The previous prime is 120222022201. The next prime is 120222022231. The reversal of 120222022221 is 122220222021.
120222022221 is a `hidden beast` number, since 1 + 202 + 220 + 22 + 221 = 666.
It is not a de Polignac number, because 120222022221 - 217 = 120221891149 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 120222022194 and 120222022203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120222022201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954142971 + ... + 954143096.
It is an arithmetic number, because the mean of its divisors is an integer number (16538479256).
Almost surely, 2120222022221 is an apocalyptic number.
It is an amenable number.
120222022221 is a deficient number, since it is larger than the sum of its proper divisors (78239728851).
120222022221 is a wasteful number, since it uses less digits than its factorization.
120222022221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1908286080 (or 1908286077 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 120222022221 its reverse (122220222021), we get a palindrome (242442244242).
The spelling of 120222022221 in words is "one hundred twenty billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •