Base | Representation |
---|---|
bin | 110111111110110111… |
… | …1100100010101001110 |
3 | 102111022102102212100002 |
4 | 1233331233210111032 |
5 | 3432203113102342 |
6 | 131121234004302 |
7 | 11454123346103 |
oct | 1577557442516 |
9 | 374272385302 |
10 | 120221222222 |
11 | 46a92822702 |
12 | 1b371a16692 |
13 | b44bc921aa |
14 | 5b66890aaa |
15 | 31d9602d32 |
hex | 1bfdbe454e |
120221222222 has 4 divisors (see below), whose sum is σ = 180331833336. Its totient is φ = 60110611110.
The previous prime is 120221222201. The next prime is 120221222287. The reversal of 120221222222 is 222222122021.
120221222222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222222122021 = 19 ⋅11695901159.
It is a junction number, because it is equal to n+sod(n) for n = 120221222194 and 120221222203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30055305554 + ... + 30055305557.
It is an arithmetic number, because the mean of its divisors is an integer number (45082958334).
Almost surely, 2120221222222 is an apocalyptic number.
120221222222 is a deficient number, since it is larger than the sum of its proper divisors (60110611114).
120221222222 is an equidigital number, since it uses as much as digits as its factorization.
120221222222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60110611113.
The product of its (nonzero) digits is 512, while the sum is 20.
Adding to 120221222222 its reverse (222222122021), we get a palindrome (342443344243).
The spelling of 120221222222 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".
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