Base | Representation |
---|---|
bin | 111000110110111001… |
… | …1100010101101001011 |
3 | 102200011110011100010002 |
4 | 1301231303202231023 |
5 | 4000030413443311 |
6 | 132031554513215 |
7 | 11551533013265 |
oct | 1615563425513 |
9 | 380143140102 |
10 | 122101312331 |
11 | 4786800a189 |
12 | 1b7b759580b |
13 | b68b64464b |
14 | 5ca4454b35 |
15 | 32996cb93b |
hex | 1c6dce2b4b |
122101312331 has 8 divisors (see below), whose sum is σ = 123214679280. Its totient is φ = 120988521472.
The previous prime is 122101312313. The next prime is 122101312337. The reversal of 122101312331 is 133213101221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122101312331 - 214 = 122101295947 is a prime.
It is a super-2 number, since 2×1221013123312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122101312337) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287675 + ... + 571803.
It is an arithmetic number, because the mean of its divisors is an integer number (15401834910).
Almost surely, 2122101312331 is an apocalyptic number.
122101312331 is a deficient number, since it is larger than the sum of its proper divisors (1113366949).
122101312331 is a wasteful number, since it uses less digits than its factorization.
122101312331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 288045.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 122101312331 its reverse (133213101221), we get a palindrome (255314413552).
The spelling of 122101312331 in words is "one hundred twenty-two billion, one hundred one million, three hundred twelve thousand, three hundred thirty-one".
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