Base | Representation |
---|---|
bin | 111000110111001110… |
… | …0110110010010011100 |
3 | 102200012012112110111022 |
4 | 1301232130312102130 |
5 | 4000041201443234 |
6 | 132033022543312 |
7 | 11552024032160 |
oct | 1615634662234 |
9 | 380165473438 |
10 | 122112140444 |
11 | 47873135538 |
12 | 1b7bb137b38 |
13 | b690966108 |
14 | 5ca5a72ca0 |
15 | 329a619e2e |
hex | 1c6e73649c |
122112140444 has 12 divisors (see below), whose sum is σ = 244224280944. Its totient is φ = 52333774464.
The previous prime is 122112140441. The next prime is 122112140453. The reversal of 122112140444 is 444041211221.
122112140444 is an admirable number.
It is a super-2 number, since 2×1221121404442 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122112140441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2180573909 + ... + 2180573964.
It is an arithmetic number, because the mean of its divisors is an integer number (20352023412).
Almost surely, 2122112140444 is an apocalyptic number.
122112140444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
122112140444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122112140444 is a wasteful number, since it uses less digits than its factorization.
122112140444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4361147884 (or 4361147882 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 26.
Adding to 122112140444 its reverse (444041211221), we get a palindrome (566153351665).
The spelling of 122112140444 in words is "one hundred twenty-two billion, one hundred twelve million, one hundred forty thousand, four hundred forty-four".
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