Base | Representation |
---|---|
bin | 100001001001100… |
… | …1000010110100001 |
3 | 2212112000021010011 |
4 | 1002103020112201 |
5 | 4234222424301 |
6 | 302212404521 |
7 | 36364326541 |
oct | 10223102641 |
9 | 2775007104 |
10 | 1112311201 |
11 | 520963961 |
12 | 270616741 |
13 | 1495a1511 |
14 | a7a25321 |
15 | 679b8a51 |
hex | 424c85a1 |
1112311201 has 2 divisors, whose sum is σ = 1112311202. Its totient is φ = 1112311200.
The previous prime is 1112311199. The next prime is 1112311223. The reversal of 1112311201 is 1021132111.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 972504225 + 139806976 = 31185^2 + 11824^2 .
It is an emirp because it is prime and its reverse (1021132111) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1112311201 - 21 = 1112311199 is a prime.
Together with 1112311199, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (1112371201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556155600 + 556155601.
It is an arithmetic number, because the mean of its divisors is an integer number (556155601).
Almost surely, 21112311201 is an apocalyptic number.
It is an amenable number.
1112311201 is a deficient number, since it is larger than the sum of its proper divisors (1).
1112311201 is an equidigital number, since it uses as much as digits as its factorization.
1112311201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12, while the sum is 13.
The square root of 1112311201 is about 33351.3298235618. The cubic root of 1112311201 is about 1036.1169303105.
Adding to 1112311201 its reverse (1021132111), we get a palindrome (2133443312).
The spelling of 1112311201 in words is "one billion, one hundred twelve million, three hundred eleven thousand, two hundred one".
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