Base | Representation |
---|---|
bin | 1101000000111001… |
… | …11000101100000101 |
3 | 200000221001222212000 |
4 | 12200130320230011 |
5 | 103302121102320 |
6 | 3113145215513 |
7 | 335066422413 |
oct | 64034705405 |
9 | 20027058760 |
10 | 6986894085 |
11 | 2a65a12a36 |
12 | 142ba91599 |
13 | 874697772 |
14 | 4a3d082b3 |
15 | 2ad5cac90 |
hex | 1a0738b05 |
6986894085 has 16 divisors (see below), whose sum is σ = 12421145280. Its totient is φ = 3726343440.
The previous prime is 6986894081. The next prime is 6986894093. The reversal of 6986894085 is 5804986896.
It is not a de Polignac number, because 6986894085 - 22 = 6986894081 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6986894081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25877251 + ... + 25877520.
It is an arithmetic number, because the mean of its divisors is an integer number (776321580).
Almost surely, 26986894085 is an apocalyptic number.
It is an amenable number.
6986894085 is a deficient number, since it is larger than the sum of its proper divisors (5434251195).
6986894085 is a wasteful number, since it uses less digits than its factorization.
6986894085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51754785 (or 51754779 counting only the distinct ones).
The product of its (nonzero) digits is 29859840, while the sum is 63.
The square root of 6986894085 is about 83587.6431358128. The cubic root of 6986894085 is about 1911.7365934301.
The spelling of 6986894085 in words is "six billion, nine hundred eighty-six million, eight hundred ninety-four thousand, eighty-five".
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