Base | Representation |
---|---|
bin | 1100100101111110… |
… | …11011011001011001 |
3 | 122110012010211212102 |
4 | 12102333123121121 |
5 | 102321313134441 |
6 | 3034521053145 |
7 | 326355062603 |
oct | 62277333131 |
9 | 18405124772 |
10 | 6761068121 |
11 | 295a4a0605 |
12 | 13883271b5 |
13 | 83996a332 |
14 | 481d22173 |
15 | 29886e69b |
hex | 192fdb659 |
6761068121 has 4 divisors (see below), whose sum is σ = 6761537700. Its totient is φ = 6760598544.
The previous prime is 6761068099. The next prime is 6761068133. The reversal of 6761068121 is 1218601676.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3153384025 + 3607684096 = 56155^2 + 60064^2 .
It is a cyclic number.
It is not a de Polignac number, because 6761068121 - 218 = 6760805977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6761061121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212486 + ... + 242223.
It is an arithmetic number, because the mean of its divisors is an integer number (1690384425).
Almost surely, 26761068121 is an apocalyptic number.
It is an amenable number.
6761068121 is a deficient number, since it is larger than the sum of its proper divisors (469579).
6761068121 is a wasteful number, since it uses less digits than its factorization.
6761068121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469578.
The product of its (nonzero) digits is 24192, while the sum is 38.
The square root of 6761068121 is about 82225.7144754608. The cubic root of 6761068121 is about 1890.9139706657.
Adding to 6761068121 its reverse (1218601676), we get a palindrome (7979669797).
The spelling of 6761068121 in words is "six billion, seven hundred sixty-one million, sixty-eight thousand, one hundred twenty-one".
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