Base | Representation |
---|---|
bin | 111101011110101… |
… | …000111111101101 |
3 | 2122212211200222212 |
4 | 331132220333231 |
5 | 4103022124123 |
6 | 250203220205 |
7 | 34363054511 |
oct | 7536507755 |
9 | 2585750885 |
10 | 1031442413 |
11 | 48a249a51 |
12 | 249517665 |
13 | 1358c8871 |
14 | 9adb4141 |
15 | 60842878 |
hex | 3d7a8fed |
1031442413 has 4 divisors (see below), whose sum is σ = 1032132000. Its totient is φ = 1030752828.
The previous prime is 1031442403. The next prime is 1031442427. The reversal of 1031442413 is 3142441301.
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.
It is a cyclic number.
It is not a de Polignac number, because 1031442413 - 28 = 1031442157 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031442403) 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, 342545 + ... + 345542.
It is an arithmetic number, because the mean of its divisors is an integer number (258033000).
Almost surely, 21031442413 is an apocalyptic number.
It is an amenable number.
1031442413 is a deficient number, since it is larger than the sum of its proper divisors (689587).
1031442413 is an equidigital number, since it uses as much as digits as its factorization.
1031442413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 689586.
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 1031442413 is about 32116.0771732788. The cubic root of 1031442413 is about 1010.3728365705.
Adding to 1031442413 its reverse (3142441301), we get a palindrome (4173883714).
The spelling of 1031442413 in words is "one billion, thirty-one million, four hundred forty-two thousand, four hundred thirteen".
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