Base | Representation |
---|---|
bin | 111001000000000111… |
… | …0011001001101100101 |
3 | 102200221222122122001112 |
4 | 1302000032121031211 |
5 | 4001144021404341 |
6 | 132122354234405 |
7 | 11562304506200 |
oct | 1620016311545 |
9 | 380858578045 |
10 | 122410341221 |
11 | 47a064a0163 |
12 | 1b882b85a05 |
13 | b70a683c8c |
14 | 5cd34d8937 |
15 | 32b68c0aeb |
hex | 1c80399365 |
122410341221 has 12 divisors (see below), whose sum is σ = 147305901420. Its totient is φ = 101305108800.
The previous prime is 122410341217. The next prime is 122410341247. The reversal of 122410341221 is 122143014221.
It can be written as a sum of positive squares in 2 ways, for example, as 37061640196 + 85348701025 = 192514^2 + 292145^2 .
It is not a de Polignac number, because 122410341221 - 22 = 122410341217 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 (122410343221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43070480 + ... + 43073321.
It is an arithmetic number, because the mean of its divisors is an integer number (12275491785).
Almost surely, 2122410341221 is an apocalyptic number.
It is an amenable number.
122410341221 is a deficient number, since it is larger than the sum of its proper divisors (24895560199).
122410341221 is an equidigital number, since it uses as much as digits as its factorization.
122410341221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86143844 (or 86143837 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
Adding to 122410341221 its reverse (122143014221), we get a palindrome (244553355442).
The spelling of 122410341221 in words is "one hundred twenty-two billion, four hundred ten million, three hundred forty-one thousand, two hundred twenty-one".
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