Base | Representation |
---|---|
bin | 100001011010111… |
… | …1000101101111111 |
3 | 2220011011011001211 |
4 | 1002311320231333 |
5 | 4244041002312 |
6 | 303135545251 |
7 | 36534634333 |
oct | 10265705577 |
9 | 2804134054 |
10 | 1121422207 |
11 | 526017114 |
12 | 27368b227 |
13 | 14b441549 |
14 | a8d177c3 |
15 | 686b83a7 |
hex | 42d78b7f |
1121422207 has 2 divisors, whose sum is σ = 1121422208. Its totient is φ = 1121422206.
The previous prime is 1121422189. The next prime is 1121422249. The reversal of 1121422207 is 7022241211.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1121422207 - 215 = 1121389439 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1121422297) 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 as a sum of consecutive naturals, namely, 560711103 + 560711104.
It is an arithmetic number, because the mean of its divisors is an integer number (560711104).
Almost surely, 21121422207 is an apocalyptic number.
1121422207 is a deficient number, since it is larger than the sum of its proper divisors (1).
1121422207 is an equidigital number, since it uses as much as digits as its factorization.
1121422207 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 1121422207 is about 33487.6426014134. The cubic root of 1121422207 is about 1038.9382059568.
Adding to 1121422207 its reverse (7022241211), we get a palindrome (8143663418).
The spelling of 1121422207 in words is "one billion, one hundred twenty-one million, four hundred twenty-two thousand, two hundred seven".
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