Base | Representation |
---|---|
bin | 100100000100001… |
… | …0010001100100001 |
3 | 10010100002000222022 |
4 | 1020020102030201 |
5 | 4434243144413 |
6 | 320025151225 |
7 | 41662642253 |
oct | 11010221441 |
9 | 3110060868 |
10 | 1210131233 |
11 | 5710a6563 |
12 | 29932b515 |
13 | 1639309ac |
14 | b6a09cd3 |
15 | 7138c608 |
hex | 48212321 |
1210131233 has 4 divisors (see below), whose sum is σ = 1219369008. Its totient is φ = 1200893460.
The previous prime is 1210131229. The next prime is 1210131239. The reversal of 1210131233 is 3321310121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3321310121 = 3331 ⋅997091.
It is a cyclic number.
It is not a de Polignac number, because 1210131233 - 22 = 1210131229 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1210131239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4618691 + ... + 4618952.
It is an arithmetic number, because the mean of its divisors is an integer number (304842252).
Almost surely, 21210131233 is an apocalyptic number.
It is an amenable number.
1210131233 is a deficient number, since it is larger than the sum of its proper divisors (9237775).
1210131233 is an equidigital number, since it uses as much as digits as its factorization.
1210131233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9237774.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 1210131233 is about 34786.9405524545. The cubic root of 1210131233 is about 1065.6407593900.
Adding to 1210131233 its reverse (3321310121), we get a palindrome (4531441354).
It can be divided in two parts, 12101 and 31233, that added together give a palindrome (43334).
The spelling of 1210131233 in words is "one billion, two hundred ten million, one hundred thirty-one thousand, two hundred thirty-three".
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