Base | Representation |
---|---|
bin | 100100000100010… |
… | …1101000110010111 |
3 | 10010100021122010201 |
4 | 1020020231012113 |
5 | 4434310211211 |
6 | 320031401331 |
7 | 41663611450 |
oct | 11010550627 |
9 | 3110248121 |
10 | 1210241431 |
11 | 571171333 |
12 | 299383247 |
13 | 16396bbb9 |
14 | b6a38127 |
15 | 713b00c1 |
hex | 4822d197 |
1210241431 has 4 divisors (see below), whose sum is σ = 1383133072. Its totient is φ = 1037349792.
The previous prime is 1210241411. The next prime is 1210241437. The reversal of 1210241431 is 1341420121.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1210241431 - 27 = 1210241303 is a prime.
It is a super-2 number, since 2×12102414312 = 2929368642617855522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1210241399 and 1210241408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1210241437) 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 3 ways as a sum of consecutive naturals, for example, 86445810 + ... + 86445823.
It is an arithmetic number, because the mean of its divisors is an integer number (345783268).
Almost surely, 21210241431 is an apocalyptic number.
1210241431 is a deficient number, since it is larger than the sum of its proper divisors (172891641).
1210241431 is an equidigital number, since it uses as much as digits as its factorization.
1210241431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172891640.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 1210241431 is about 34788.5244153873. The cubic root of 1210241431 is about 1065.6731051701.
Adding to 1210241431 its reverse (1341420121), we get a palindrome (2551661552).
The spelling of 1210241431 in words is "one billion, two hundred ten million, two hundred forty-one thousand, four hundred thirty-one".
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