Base | Representation |
---|---|
bin | 111000110011111110… |
… | …0111110110000010101 |
3 | 102122220121101210222101 |
4 | 1301213330332300111 |
5 | 3444330244420341 |
6 | 132014130202101 |
7 | 11546231302540 |
oct | 1614774766025 |
9 | 378817353871 |
10 | 122003123221 |
11 | 47817645261 |
12 | 1b78a723331 |
13 | b6741b6195 |
14 | 5c953b5857 |
15 | 3290c83831 |
hex | 1c67f3ec15 |
122003123221 has 32 divisors (see below), whose sum is σ = 144970560000. Its totient is φ = 100457908992.
The previous prime is 122003123183. The next prime is 122003123227. The reversal of 122003123221 is 122321300221.
It is not a de Polignac number, because 122003123221 - 27 = 122003123093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122003123227) 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, 76394395 + ... + 76395991.
It is an arithmetic number, because the mean of its divisors is an integer number (4530330000).
Almost surely, 2122003123221 is an apocalyptic number.
It is an amenable number.
122003123221 is a deficient number, since it is larger than the sum of its proper divisors (22967436779).
122003123221 is a wasteful number, since it uses less digits than its factorization.
122003123221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3301.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 122003123221 its reverse (122321300221), we get a palindrome (244324423442).
The spelling of 122003123221 in words is "one hundred twenty-two billion, three million, one hundred twenty-three thousand, two hundred twenty-one".
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