Base | Representation |
---|---|
bin | 111101011101011… |
… | …111111110100010 |
3 | 2122212021111201201 |
4 | 331131133332202 |
5 | 4102433041310 |
6 | 250152551414 |
7 | 34360400530 |
oct | 7535377642 |
9 | 2585244651 |
10 | 1031143330 |
11 | 48a065278 |
12 | 2493b256a |
13 | 1358226a9 |
14 | 9ad37150 |
15 | 607d3e3a |
hex | 3d75ffa2 |
1031143330 has 48 divisors (see below), whose sum is σ = 2253370176. Its totient is φ = 332732160.
The previous prime is 1031143307. The next prime is 1031143363. The reversal of 1031143330 is 333411301.
It is a junction number, because it is equal to n+sod(n) for n = 1031143298 and 1031143307.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5256 + ... + 45715.
It is an arithmetic number, because the mean of its divisors is an integer number (46945212).
Almost surely, 21031143330 is an apocalyptic number.
1031143330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1031143330 is an abundant number, since it is smaller than the sum of its proper divisors (1222226846).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031143330 is a wasteful number, since it uses less digits than its factorization.
1031143330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51019 (or 51002 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 1031143330 is about 32111.4205540646. The cubic root of 1031143330 is about 1010.2751692818.
Adding to 1031143330 its reverse (333411301), we get a palindrome (1364554631).
The spelling of 1031143330 in words is "one billion, thirty-one million, one hundred forty-three thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •