Base | Representation |
---|---|
bin | 1000011000101101… |
… | …0010001101010001 |
3 | 12210212211222200011 |
4 | 2012023102031101 |
5 | 14102240330410 |
6 | 1011212554521 |
7 | 106533035434 |
oct | 20613221521 |
9 | 5725758604 |
10 | 2251105105 |
11 | a55765647 |
12 | 529a82a41 |
13 | 29b4b5a72 |
14 | 174d8181b |
15 | d296418a |
hex | 862d2351 |
2251105105 has 24 divisors (see below), whose sum is σ = 2839531968. Its totient is φ = 1709971296.
The previous prime is 2251105033. The next prime is 2251105121. The reversal of 2251105105 is 5015011522.
It is a happy number.
It is not a de Polignac number, because 2251105105 - 29 = 2251104593 is a prime.
It is a super-2 number, since 2×22511051052 = 10134948387514122050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7954294 + ... + 7954576.
It is an arithmetic number, because the mean of its divisors is an integer number (118313832).
Almost surely, 22251105105 is an apocalyptic number.
It is an amenable number.
2251105105 is a deficient number, since it is larger than the sum of its proper divisors (588426863).
2251105105 is an equidigital number, since it uses as much as digits as its factorization.
2251105105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 837 (or 574 counting only the distinct ones).
The product of its (nonzero) digits is 500, while the sum is 22.
The square root of 2251105105 is about 47445.8123020357. The cubic root of 2251105105 is about 1310.5851949107.
Adding to 2251105105 its reverse (5015011522), we get a palindrome (7266116627).
The spelling of 2251105105 in words is "two billion, two hundred fifty-one million, one hundred five thousand, one hundred five".
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