Base | Representation |
---|---|
bin | 111000111100110101… |
… | …0101111000000100101 |
3 | 102200200022122111001122 |
4 | 1301321222233000211 |
5 | 4000432341030041 |
6 | 132103424303325 |
7 | 11556500436632 |
oct | 1617152570045 |
9 | 380608574048 |
10 | 122300330021 |
11 | 4795a391111 |
12 | 1b852171b45 |
13 | b6c09467ac |
14 | 5cc2a5d189 |
15 | 32abddec4b |
hex | 1c79aaf025 |
122300330021 has 4 divisors (see below), whose sum is σ = 122301080544. Its totient is φ = 122299579500.
The previous prime is 122300330017. The next prime is 122300330027. The reversal of 122300330021 is 120033003221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 122300330021 - 22 = 122300330017 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122300330027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16505 + ... + 494846.
It is an arithmetic number, because the mean of its divisors is an integer number (30575270136).
Almost surely, 2122300330021 is an apocalyptic number.
It is an amenable number.
122300330021 is a deficient number, since it is larger than the sum of its proper divisors (750523).
122300330021 is an equidigital number, since it uses as much as digits as its factorization.
122300330021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 750522.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 122300330021 its reverse (120033003221), we get a palindrome (242333333242).
The spelling of 122300330021 in words is "one hundred twenty-two billion, three hundred million, three hundred thirty thousand, twenty-one".
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