Base | Representation |
---|---|
bin | 100100000100000… |
… | …1101110100110011 |
3 | 10010100001010102021 |
4 | 1020020031310303 |
5 | 4434242111311 |
6 | 320024532311 |
7 | 41662536130 |
oct | 11010156463 |
9 | 3110033367 |
10 | 1210113331 |
11 | 571094069 |
12 | 299321097 |
13 | 1639257bb |
14 | b6a03587 |
15 | 71387171 |
hex | 4820dd33 |
1210113331 has 32 divisors (see below), whose sum is σ = 1448824320. Its totient is φ = 989404416.
The previous prime is 1210113301. The next prime is 1210113337. The reversal of 1210113331 is 1333110121.
It is not a de Polignac number, because 1210113331 - 215 = 1210080563 is a prime.
It is a super-3 number, since 3×12101133313 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1210113337) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 2212000 + ... + 2212546.
It is an arithmetic number, because the mean of its divisors is an integer number (45275760).
Almost surely, 21210113331 is an apocalyptic number.
1210113331 is a deficient number, since it is larger than the sum of its proper divisors (238710989).
1210113331 is an equidigital number, since it uses as much as digits as its factorization.
1210113331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 763.
The product of its (nonzero) digits is 54, while the sum is 16.
The square root of 1210113331 is about 34786.6832422983. The cubic root of 1210113331 is about 1065.6355045344.
Adding to 1210113331 its reverse (1333110121), we get a palindrome (2543223452).
The spelling of 1210113331 in words is "one billion, two hundred ten million, one hundred thirteen thousand, three hundred thirty-one".
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