Base | Representation |
---|---|
bin | 111000110111011111… |
… | …1001001110010010001 |
3 | 102200012211110100020101 |
4 | 1301232333021302101 |
5 | 4000101002230301 |
6 | 132033543412401 |
7 | 11552163335134 |
oct | 1615677116221 |
9 | 380184410211 |
10 | 122121133201 |
11 | 47878217971 |
12 | 1b802154101 |
13 | b692794382 |
14 | 5ca6d3421b |
15 | 329b2e4701 |
hex | 1c6efc9c91 |
122121133201 has 16 divisors (see below), whose sum is σ = 130169203200. Its totient is φ = 114302307328.
The previous prime is 122121133193. The next prime is 122121133219. The reversal of 122121133201 is 102331121221.
It is not a de Polignac number, because 122121133201 - 23 = 122121133193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122121133291) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7222365 + ... + 7239253.
It is an arithmetic number, because the mean of its divisors is an integer number (8135575200).
Almost surely, 2122121133201 is an apocalyptic number.
It is an amenable number.
122121133201 is a deficient number, since it is larger than the sum of its proper divisors (8048069999).
122121133201 is a wasteful number, since it uses less digits than its factorization.
122121133201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23648.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 122121133201 its reverse (102331121221), we get a palindrome (224452254422).
The spelling of 122121133201 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred thirty-three thousand, two hundred one".
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