Base | Representation |
---|---|
bin | 111000110111001110… |
… | …0100000000010011001 |
3 | 102200012012100211110210 |
4 | 1301232130200002121 |
5 | 4000041141034210 |
6 | 132033021001333 |
7 | 11552023202361 |
oct | 1615634400231 |
9 | 380165324423 |
10 | 122112049305 |
11 | 47873083014 |
12 | 1b7bb0b3249 |
13 | b69093379c |
14 | 5ca5a4b9a1 |
15 | 329a5ece20 |
hex | 1c6e720099 |
122112049305 has 32 divisors (see below), whose sum is σ = 204046470144. Its totient is φ = 62242152896.
The previous prime is 122112049303. The next prime is 122112049333. The reversal of 122112049305 is 503940211221.
It is a cyclic number.
It is not a de Polignac number, because 122112049305 - 21 = 122112049303 is a prime.
It is a super-2 number, since 2×1221120493052 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (122112049303) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260422 + ... + 558608.
It is an arithmetic number, because the mean of its divisors is an integer number (6376452192).
Almost surely, 2122112049305 is an apocalyptic number.
122112049305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122112049305 is a deficient number, since it is larger than the sum of its proper divisors (81934420839).
122112049305 is a wasteful number, since it uses less digits than its factorization.
122112049305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 299405.
The product of its (nonzero) digits is 4320, while the sum is 30.
The spelling of 122112049305 in words is "one hundred twenty-two billion, one hundred twelve million, forty-nine thousand, three hundred five".
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