Base | Representation |
---|---|
bin | 111101011100100… |
… | …000011100111011 |
3 | 2122211210021210201 |
4 | 331130200130323 |
5 | 4102401230011 |
6 | 250143223031 |
7 | 34355235115 |
oct | 7534403473 |
9 | 2584707721 |
10 | 1030883131 |
11 | 4899a7833 |
12 | 2492a7a77 |
13 | 135761125 |
14 | 9acaa3b5 |
15 | 60781cc1 |
hex | 3d72073b |
1030883131 has 4 divisors (see below), whose sum is σ = 1056026664. Its totient is φ = 1005739600.
The previous prime is 1030883123. The next prime is 1030883141. The reversal of 1030883131 is 1313880301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1313880301 = 41 ⋅32045861.
It is a cyclic number.
It is not a de Polignac number, because 1030883131 - 23 = 1030883123 is a prime.
It is a super-2 number, since 2×10308831312 = 2125440059560726322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1030883131.
It is not an unprimeable number, because it can be changed into a prime (1030883141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12571705 + ... + 12571786.
It is an arithmetic number, because the mean of its divisors is an integer number (264006666).
Almost surely, 21030883131 is an apocalyptic number.
1030883131 is a deficient number, since it is larger than the sum of its proper divisors (25143533).
1030883131 is an equidigital number, since it uses as much as digits as its factorization.
1030883131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25143532.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 1030883131 is about 32107.3687959633. The cubic root of 1030883131 is about 1010.1901844256.
It can be divided in two parts, 10308 and 83131, that added together give a palindrome (93439).
The spelling of 1030883131 in words is "one billion, thirty million, eight hundred eighty-three thousand, one hundred thirty-one".
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