Base | Representation |
---|---|
bin | 111101011100011… |
… | …111111100100000 |
3 | 2122211210011221212 |
4 | 331130133330200 |
5 | 4102401143211 |
6 | 250143205252 |
7 | 34355226062 |
oct | 7534377440 |
9 | 2584704855 |
10 | 1030881056 |
11 | 4899a6217 |
12 | 2492a6828 |
13 | 1357601ba |
14 | 9aca9732 |
15 | 6078138b |
hex | 3d71ff20 |
1030881056 has 24 divisors (see below), whose sum is σ = 2038424220. Its totient is φ = 513186048.
The previous prime is 1030881031. The next prime is 1030881073. The reversal of 1030881056 is 6501880301.
It can be written as a sum of positive squares in 2 ways, for example, as 1018631056 + 12250000 = 31916^2 + 3500^2 .
It is a Harshad number since it is a multiple of its sum of digits (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63011 + ... + 77666.
Almost surely, 21030881056 is an apocalyptic number.
1030881056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1030881056 is a deficient number, since it is larger than the sum of its proper divisors (1007543164).
1030881056 is a wasteful number, since it uses less digits than its factorization.
1030881056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140916 (or 140908 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 32.
The square root of 1030881056 is about 32107.3364824926. The cubic root of 1030881056 is about 1010.1895066423.
The spelling of 1030881056 in words is "one billion, thirty million, eight hundred eighty-one thousand, fifty-six".
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