Base | Representation |
---|---|
bin | 111111101010100… |
… | …110001010000000 |
3 | 2202102212200012100 |
4 | 333222212022000 |
5 | 4141420142234 |
6 | 253553430400 |
7 | 35316651246 |
oct | 7752461200 |
9 | 2672780170 |
10 | 1068130944 |
11 | 4a8a28651 |
12 | 25986b400 |
13 | 1403a305a |
14 | a1c04796 |
15 | 63b8d399 |
hex | 3faa6280 |
1068130944 has 96 divisors (see below), whose sum is σ = 3254521140. Its totient is φ = 335093760.
The previous prime is 1068130933. The next prime is 1068130969. The reversal of 1068130944 is 4490318601.
It can be written as a sum of positive squares in 2 ways, for example, as 1041998400 + 26132544 = 32280^2 + 5112^2 .
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×10681309442 = 2281807427060662272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1068130899 and 1068130908.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7687 + ... + 46854.
Almost surely, 21068130944 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1068130944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627260570).
1068130944 is an abundant number, since it is smaller than the sum of its proper divisors (2186390196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1068130944 is a wasteful number, since it uses less digits than its factorization.
1068130944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54578 (or 54563 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 1068130944 is about 32682.2726259971. The cubic root of 1068130944 is about 1022.2132333873.
The spelling of 1068130944 in words is "one billion, sixty-eight million, one hundred thirty thousand, nine hundred forty-four".
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