Base | Representation |
---|---|
bin | 100101000001001… |
… | …0100100001000100 |
3 | 10012120021100110221 |
4 | 1022002110201010 |
5 | 10020440403213 |
6 | 323130554124 |
7 | 42531602560 |
oct | 11202244104 |
9 | 3176240427 |
10 | 1242122308 |
11 | 588166969 |
12 | 2a7b98944 |
13 | 16a45201b |
14 | bad766a0 |
15 | 740ab38d |
hex | 4a094844 |
1242122308 has 12 divisors (see below), whose sum is σ = 2484244672. Its totient is φ = 532338120.
The previous prime is 1242122269. The next prime is 1242122309. The reversal of 1242122308 is 8032212421.
1242122308 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (1242122309) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22180728 + ... + 22180783.
Almost surely, 21242122308 is an apocalyptic number.
It is an amenable number.
1242122308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1242122308 is a wasteful number, since it uses less digits than its factorization.
1242122308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44361522 (or 44361520 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 1242122308 is about 35243.7555887564. The cubic root of 1242122308 is about 1074.9496448019.
Adding to 1242122308 its reverse (8032212421), we get a palindrome (9274334729).
The spelling of 1242122308 in words is "one billion, two hundred forty-two million, one hundred twenty-two thousand, three hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •