Base | Representation |
---|---|
bin | 110111111110111001… |
… | …1000000000001100001 |
3 | 102111022111010120201012 |
4 | 1233331303000001201 |
5 | 3432203330401311 |
6 | 131121305150305 |
7 | 11454134114435 |
oct | 1577563000141 |
9 | 374274116635 |
10 | 120222122081 |
11 | 46a93287796 |
12 | 1b37218b395 |
13 | b44c218959 |
14 | 5b66a469c5 |
15 | 31d972e78b |
hex | 1bfdcc0061 |
120222122081 has 2 divisors, whose sum is σ = 120222122082. Its totient is φ = 120222122080.
The previous prime is 120222122057. The next prime is 120222122087. The reversal of 120222122081 is 180221222021.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 111261606481 + 8960515600 = 333559^2 + 94660^2 .
It is a cyclic number.
It is not a de Polignac number, because 120222122081 - 210 = 120222121057 is a prime.
It is a super-2 number, since 2×1202221220812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (120222122087) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60111061040 + 60111061041.
It is an arithmetic number, because the mean of its divisors is an integer number (60111061041).
Almost surely, 2120222122081 is an apocalyptic number.
It is an amenable number.
120222122081 is a deficient number, since it is larger than the sum of its proper divisors (1).
120222122081 is an equidigital number, since it uses as much as digits as its factorization.
120222122081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 512, while the sum is 23.
The spelling of 120222122081 in words is "one hundred twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, eighty-one".
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