Base | Representation |
---|---|
bin | 1101000001010001… |
… | …01000101010111110 |
3 | 200001010212110222120 |
4 | 12200220220222332 |
5 | 103303413133311 |
6 | 3113335223410 |
7 | 335134541355 |
oct | 64050505276 |
9 | 20033773876 |
10 | 6989974206 |
11 | 2a67727096 |
12 | 1430b17b66 |
13 | 875205717 |
14 | 4a44aa99c |
15 | 2ad9d8706 |
hex | 1a0a28abe |
6989974206 has 32 divisors (see below), whose sum is σ = 14648878080. Its totient is φ = 2219351904.
The previous prime is 6989974171. The next prime is 6989974213. The reversal of 6989974206 is 6024799896.
It is a self number, because there is not a number n which added to its sum of digits gives 6989974206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72985 + ... + 138948.
It is an arithmetic number, because the mean of its divisors is an integer number (457777440).
Almost surely, 26989974206 is an apocalyptic number.
6989974206 is an abundant number, since it is smaller than the sum of its proper divisors (7658903874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6989974206 is a wasteful number, since it uses less digits than its factorization.
6989974206 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212200.
The product of its (nonzero) digits is 11757312, while the sum is 60.
The square root of 6989974206 is about 83606.0656053136. The cubic root of 6989974206 is about 1912.0174771764.
The spelling of 6989974206 in words is "six billion, nine hundred eighty-nine million, nine hundred seventy-four thousand, two hundred six".
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