Base | Representation |
---|---|
bin | 11011110010011010111111… |
… | …111110010011011001010011 |
3 | 121000201101002202102010012010 |
4 | 123302122333332103121103 |
5 | 112004311111334033021 |
6 | 1111531304025434003 |
7 | 34512353513616564 |
oct | 3362327776233123 |
9 | 530641082363163 |
10 | 122212220221011 |
11 | 35a38a032810a8 |
12 | 1185966933b903 |
13 | 532674195bbcb |
14 | 222716298616b |
15 | e1e048828976 |
hex | 6f26bff93653 |
122212220221011 has 8 divisors (see below), whose sum is σ = 163661197385680. Its totient is φ = 81119028268512.
The previous prime is 122212220220989. The next prime is 122212220221027. The reversal of 122212220221011 is 110122022212221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122212220221011 - 29 = 122212220220499 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122212220221111) 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, 88946302240 + ... + 88946303613.
It is an arithmetic number, because the mean of its divisors is an integer number (20457649673210).
Almost surely, 2122212220221011 is an apocalyptic number.
122212220221011 is a deficient number, since it is larger than the sum of its proper divisors (41448977164669).
122212220221011 is a wasteful number, since it uses less digits than its factorization.
122212220221011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177892606085.
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 122212220221011 its reverse (110122022212221), we get a palindrome (232334242433232).
The spelling of 122212220221011 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred twenty million, two hundred twenty-one thousand, eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •