Base | Representation |
---|---|
bin | 100100000011111… |
… | …0101011010000001 |
3 | 10010022212001012220 |
4 | 1020013311122001 |
5 | 4434230411223 |
6 | 320022441253 |
7 | 41661641415 |
oct | 11007653201 |
9 | 3108761186 |
10 | 1210013313 |
11 | 571025a03 |
12 | 299293229 |
13 | 1638bc112 |
14 | b69b8d45 |
15 | 713676e3 |
hex | 481f5681 |
1210013313 has 16 divisors (see below), whose sum is σ = 1673575680. Its totient is φ = 776716416.
The previous prime is 1210013303. The next prime is 1210013339. The reversal of 1210013313 is 3133100121.
It is not a de Polignac number, because 1210013313 - 210 = 1210012289 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1210013292 and 1210013301.
It is not an unprimeable number, because it can be changed into a prime (1210013303) 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, 12981 + ... + 50877.
It is an arithmetic number, because the mean of its divisors is an integer number (104598480).
Almost surely, 21210013313 is an apocalyptic number.
It is an amenable number.
1210013313 is a deficient number, since it is larger than the sum of its proper divisors (463562367).
1210013313 is a wasteful number, since it uses less digits than its factorization.
1210013313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38296.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 1210013313 is about 34785.2456222462. The cubic root of 1210013313 is about 1065.6061448411.
Adding to 1210013313 its reverse (3133100121), we get a palindrome (4343113434).
The spelling of 1210013313 in words is "one billion, two hundred ten million, thirteen thousand, three hundred thirteen".
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