Base | Representation |
---|---|
bin | 110010001011111110100… |
… | …0011010000000101011001 |
3 | 220102102002100020122211122 |
4 | 1210113331003100011121 |
5 | 1401002411001414131 |
6 | 22400424523335025 |
7 | 1311224433413162 |
oct | 144277503200531 |
9 | 26372070218748 |
10 | 6897667998041 |
11 | 221a3148436a7 |
12 | 934993081475 |
13 | 3b05a794a792 |
14 | 19bbc55b6769 |
15 | be6568c0d7b |
hex | 645fd0d0159 |
6897667998041 has 2 divisors, whose sum is σ = 6897667998042. Its totient is φ = 6897667998040.
The previous prime is 6897667998019. The next prime is 6897667998097. The reversal of 6897667998041 is 1408997667986.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6036677011225 + 860990986816 = 2456965^2 + 927896^2 .
It is a cyclic number.
It is not a de Polignac number, because 6897667998041 - 226 = 6897600889177 is a prime.
It is a super-2 number, since 2×68976679980412 (a number of 26 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (6897667992041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3448833999020 + 3448833999021.
It is an arithmetic number, because the mean of its divisors is an integer number (3448833999021).
Almost surely, 26897667998041 is an apocalyptic number.
It is an amenable number.
6897667998041 is a deficient number, since it is larger than the sum of its proper divisors (1).
6897667998041 is an equidigital number, since it uses as much as digits as its factorization.
6897667998041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1975228416, while the sum is 80.
The spelling of 6897667998041 in words is "six trillion, eight hundred ninety-seven billion, six hundred sixty-seven million, nine hundred ninety-eight thousand, forty-one".
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