Base | Representation |
---|---|
bin | 111000110110111011… |
… | …0111011111010100100 |
3 | 102200011111211112112112 |
4 | 1301231312323322210 |
5 | 4000031130431040 |
6 | 132032025540152 |
7 | 11551543410161 |
oct | 1615566737244 |
9 | 380144745475 |
10 | 122102202020 |
11 | 47868567667 |
12 | 1b7b7944658 |
13 | b68b8965a6 |
14 | 5ca4607068 |
15 | 3299805365 |
hex | 1c6ddbbea4 |
122102202020 has 12 divisors (see below), whose sum is σ = 256414624284. Its totient is φ = 48840880800.
The previous prime is 122102201987. The next prime is 122102202031. The reversal of 122102202020 is 20202201221.
It can be written as a sum of positive squares in 2 ways, for example, as 23837507236 + 98264694784 = 154394^2 + 313472^2 .
It is a super-3 number, since 3×1221022020203 (a number of 34 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122102201986 and 122102202004.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 3052555031 + ... + 3052555070.
It is an arithmetic number, because the mean of its divisors is an integer number (21367885357).
Almost surely, 2122102202020 is an apocalyptic number.
122102202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122102202020 is an abundant number, since it is smaller than the sum of its proper divisors (134312422264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122102202020 is a wasteful number, since it uses less digits than its factorization.
122102202020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6105110110 (or 6105110108 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 122102202020 its reverse (20202201221), we get a palindrome (142304403241).
The spelling of 122102202020 in words is "one hundred twenty-two billion, one hundred two million, two hundred two thousand, twenty".
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