Base | Representation |
---|---|
bin | 100000000000111… |
… | …0010110011110001 |
3 | 2202212022121221122 |
4 | 1000001302303301 |
5 | 4144444241311 |
6 | 254332032025 |
7 | 35422436435 |
oct | 10001626361 |
9 | 2685277848 |
10 | 1074212081 |
11 | 501401488 |
12 | 25b902615 |
13 | 141721c67 |
14 | a29489c5 |
15 | 644900db |
hex | 40072cf1 |
1074212081 has 2 divisors, whose sum is σ = 1074212082. Its totient is φ = 1074212080.
The previous prime is 1074212053. The next prime is 1074212089. The reversal of 1074212081 is 1802124701.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 717757681 + 356454400 = 26791^2 + 18880^2 .
It is a cyclic number.
It is not a de Polignac number, because 1074212081 - 26 = 1074212017 is a prime.
It is a super-2 number, since 2×10742120812 = 2307863189932701122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1074212081.
It is not a weakly prime, because it can be changed into another prime (1074212089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537106040 + 537106041.
It is an arithmetic number, because the mean of its divisors is an integer number (537106041).
Almost surely, 21074212081 is an apocalyptic number.
It is an amenable number.
1074212081 is a deficient number, since it is larger than the sum of its proper divisors (1).
1074212081 is an equidigital number, since it uses as much as digits as its factorization.
1074212081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 896, while the sum is 26.
The square root of 1074212081 is about 32775.1747668872. The cubic root of 1074212081 is about 1024.1494688560.
Adding to 1074212081 its reverse (1802124701), we get a palindrome (2876336782).
The spelling of 1074212081 in words is "one billion, seventy-four million, two hundred twelve thousand, eighty-one".
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