Base | Representation |
---|---|
bin | 111000111100110101… |
… | …0101010100111010101 |
3 | 102200200022121120100222 |
4 | 1301321222222213111 |
5 | 4000432334441041 |
6 | 132103424044125 |
7 | 11556500333306 |
oct | 1617152524725 |
9 | 380608546328 |
10 | 122300312021 |
11 | 4795a379638 |
12 | 1b852163645 |
13 | b6c093b544 |
14 | 5cc2a567ad |
15 | 32abdd974b |
hex | 1c79aaa9d5 |
122300312021 has 8 divisors (see below), whose sum is σ = 124928214840. Its totient is φ = 119684274112.
The previous prime is 122300312011. The next prime is 122300312027. The reversal of 122300312021 is 120213003221.
It can be written as a sum of positive squares in 4 ways, for example, as 38371324996 + 83928987025 = 195886^2 + 289705^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122300312021 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 (122300312027) 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, 2945390 + ... + 2986623.
It is an arithmetic number, because the mean of its divisors is an integer number (15616026855).
Almost surely, 2122300312021 is an apocalyptic number.
It is an amenable number.
122300312021 is a deficient number, since it is larger than the sum of its proper divisors (2627902819).
122300312021 is an equidigital number, since it uses as much as digits as its factorization.
122300312021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5932455.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 122300312021 its reverse (120213003221), we get a palindrome (242513315242).
The spelling of 122300312021 in words is "one hundred twenty-two billion, three hundred million, three hundred twelve thousand, twenty-one".
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