Base | Representation |
---|---|
bin | 111110111111100… |
… | …000011000001001 |
3 | 2201122121210012001 |
4 | 332333200120021 |
5 | 4131022210311 |
6 | 252511351001 |
7 | 35121643561 |
oct | 7677403011 |
9 | 2648553161 |
10 | 1056835081 |
11 | 4a2612925 |
12 | 255b22461 |
13 | 13ac49703 |
14 | a0503da1 |
15 | 62bab4c1 |
hex | 3efe0609 |
1056835081 has 27 divisors (see below), whose sum is σ = 1175084391. Its totient is φ = 950303088.
The previous prime is 1056835049. The next prime is 1056835093. The reversal of 1056835081 is 1805386501.
The square root of 1056835081 is 32509.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 554178681 + 502656400 = 23541^2 + 22420^2 .
It is not a de Polignac number, because 1056835081 - 25 = 1056835049 is a prime.
It is a super-2 number, since 2×10568350812 = 2233800776864553122, 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 1056835081.
It is not an unprimeable number, because it can be changed into a prime (1056835001) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17912430 + ... + 17912488.
Almost surely, 21056835081 is an apocalyptic number.
1056835081 is the 32509-th square number.
1056835081 is the 16255-th centered octagonal number.
It is an amenable number.
1056835081 is a deficient number, since it is larger than the sum of its proper divisors (118249310).
1056835081 is an frugal number, since it uses more digits than its factorization.
1056835081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214 (or 107 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 37.
The cubic root of 1056835081 is about 1018.5970334221.
The spelling of 1056835081 in words is "one billion, fifty-six million, eight hundred thirty-five thousand, eighty-one".
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