Base | Representation |
---|---|
bin | 100100000100000… |
… | …1011000011111101 |
3 | 10010100000112220002 |
4 | 1020020023003331 |
5 | 4434241231023 |
6 | 320024404045 |
7 | 41662461131 |
oct | 11010130375 |
9 | 3110015802 |
10 | 1210102013 |
11 | 57108660a |
12 | 299316625 |
13 | 1639205c3 |
14 | b69dd3c1 |
15 | 71383b28 |
hex | 4820b0fd |
1210102013 has 16 divisors (see below), whose sum is σ = 1283627520. Its totient is φ = 1138435584.
The previous prime is 1210101943. The next prime is 1210102027. The reversal of 1210102013 is 3102010121.
It is a cyclic number.
It is not a de Polignac number, because 1210102013 - 210 = 1210100989 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1210101985 and 1210102003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1210102073) 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 15 ways as a sum of consecutive naturals, for example, 531245 + ... + 533517.
It is an arithmetic number, because the mean of its divisors is an integer number (80226720).
Almost surely, 21210102013 is an apocalyptic number.
It is an amenable number.
1210102013 is a deficient number, since it is larger than the sum of its proper divisors (73525507).
1210102013 is a wasteful number, since it uses less digits than its factorization.
1210102013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2668.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 1210102013 is about 34786.5205647245. The cubic root of 1210102013 is about 1065.6321822835.
Adding to 1210102013 its reverse (3102010121), we get a palindrome (4312112134).
The spelling of 1210102013 in words is "one billion, two hundred ten million, one hundred two thousand, thirteen".
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