Base | Representation |
---|---|
bin | 111000111010001101… |
… | …0001010101110011101 |
3 | 102200110011121222121220 |
4 | 1301310122022232131 |
5 | 4000242244213041 |
6 | 132050553243553 |
7 | 11554346501343 |
oct | 1616432125635 |
9 | 380404558556 |
10 | 122212101021 |
11 | 479145aa38a |
12 | 1b8287035b9 |
13 | b6a859499a |
14 | 5cb5053993 |
15 | 32a42b2d66 |
hex | 1c7468ab9d |
122212101021 has 8 divisors (see below), whose sum is σ = 163325796480. Its totient is φ = 81286569792.
The previous prime is 122212100993. The next prime is 122212101031. The reversal of 122212101021 is 120101212221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122212101021 - 230 = 121138359197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122212101031) 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, 47039541 + ... + 47042138.
It is an arithmetic number, because the mean of its divisors is an integer number (20415724560).
Almost surely, 2122212101021 is an apocalyptic number.
It is an amenable number.
122212101021 is a deficient number, since it is larger than the sum of its proper divisors (41113695459).
122212101021 is an equidigital number, since it uses as much as digits as its factorization.
122212101021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94082115.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 122212101021 its reverse (120101212221), we get a palindrome (242313313242).
The spelling of 122212101021 in words is "one hundred twenty-two billion, two hundred twelve million, one hundred one thousand, twenty-one".
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