Base | Representation |
---|---|
bin | 111000110111100011… |
… | …0110001110100111100 |
3 | 102200012222012220101010 |
4 | 1301233012301310330 |
5 | 4000102010212340 |
6 | 132034054315220 |
7 | 11552216332155 |
oct | 1615706616474 |
9 | 380188186333 |
10 | 122123132220 |
11 | 47879362851 |
12 | 1b802958b10 |
13 | b69301421b |
14 | 5ca72d492c |
15 | 329b58bb80 |
hex | 1c6f1b1d3c |
122123132220 has 48 divisors (see below), whose sum is σ = 362059171488. Its totient is φ = 30650511360.
The previous prime is 122123132171. The next prime is 122123132273. The reversal of 122123132220 is 22231321221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59863261 + ... + 59865300.
It is an arithmetic number, because the mean of its divisors is an integer number (7542899406).
Almost surely, 2122123132220 is an apocalyptic number.
122123132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122123132220 is an abundant number, since it is smaller than the sum of its proper divisors (239936039268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122123132220 is a wasteful number, since it uses less digits than its factorization.
122123132220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119728590 (or 119728588 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 122123132220 its reverse (22231321221), we get a palindrome (144354453441).
The spelling of 122123132220 in words is "one hundred twenty-two billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred twenty".
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