Base | Representation |
---|---|
bin | 111101011101011… |
… | …111101100111010 |
3 | 2122212021110011221 |
4 | 331131133230322 |
5 | 4102433022302 |
6 | 250152542254 |
7 | 34360364326 |
oct | 7535375472 |
9 | 2585243157 |
10 | 1031142202 |
11 | 48a064442 |
12 | 2493b198a |
13 | 13582201c |
14 | 9ad36986 |
15 | 607d3937 |
hex | 3d75fb3a |
1031142202 has 4 divisors (see below), whose sum is σ = 1546713306. Its totient is φ = 515571100.
The previous prime is 1031142197. The next prime is 1031142223. The reversal of 1031142202 is 2022411301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2022411301 = 2237 ⋅904073.
It can be written as a sum of positive squares in only one way, i.e., 722050641 + 309091561 = 26871^2 + 17581^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257785549 + ... + 257785552.
Almost surely, 21031142202 is an apocalyptic number.
1031142202 is a deficient number, since it is larger than the sum of its proper divisors (515571104).
1031142202 is an equidigital number, since it uses as much as digits as its factorization.
1031142202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 515571103.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1031142202 is about 32111.4029902152. The cubic root of 1031142202 is about 1010.2748008912.
Adding to 1031142202 its reverse (2022411301), we get a palindrome (3053553503).
The spelling of 1031142202 in words is "one billion, thirty-one million, one hundred forty-two thousand, two hundred two".
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