Base | Representation |
---|---|
bin | 111101011101011… |
… | …011010101110100 |
3 | 2122212020112200101 |
4 | 331131123111310 |
5 | 4102431434330 |
6 | 250152323444 |
7 | 34360261261 |
oct | 7535332564 |
9 | 2585215611 |
10 | 1031124340 |
11 | 48a051a84 |
12 | 2493a3584 |
13 | 135816b5c |
14 | 9ad30268 |
15 | 607cd4ca |
hex | 3d75b574 |
1031124340 has 12 divisors (see below), whose sum is σ = 2165361156. Its totient is φ = 412449728.
The previous prime is 1031124337. The next prime is 1031124359. The reversal of 1031124340 is 434211301.
It can be written as a sum of positive squares in 2 ways, for example, as 179184996 + 851939344 = 13386^2 + 29188^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25778089 + ... + 25778128.
It is an arithmetic number, because the mean of its divisors is an integer number (180446763).
Almost surely, 21031124340 is an apocalyptic number.
1031124340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1031124340 is an abundant number, since it is smaller than the sum of its proper divisors (1134236816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031124340 is a wasteful number, since it uses less digits than its factorization.
1031124340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51556226 (or 51556224 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1031124340 is about 32111.1248635111. The cubic root of 1031124340 is about 1010.2689673496.
Adding to 1031124340 its reverse (434211301), we get a palindrome (1465335641).
The spelling of 1031124340 in words is "one billion, thirty-one million, one hundred twenty-four thousand, three hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •