Base | Representation |
---|---|
bin | 1100111100011110… |
… | …00001011110101010 |
3 | 122221100002121220021 |
4 | 12132033001132222 |
5 | 103213111040032 |
6 | 3105340151054 |
7 | 334135344325 |
oct | 63617013652 |
9 | 18840077807 |
10 | 6949705642 |
11 | 2a46a22790 |
12 | 141b53848a |
13 | 869a76879 |
14 | 49cdc77bc |
15 | 2aa1d2097 |
hex | 19e3c17aa |
6949705642 has 8 divisors (see below), whose sum is σ = 11372245632. Its totient is φ = 3158957100.
The previous prime is 6949705591. The next prime is 6949705649. The reversal of 6949705642 is 2465079496.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 6949705642.
It is not an unprimeable number, because it can be changed into a prime (6949705649) 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, 157947834 + ... + 157947877.
It is an arithmetic number, because the mean of its divisors is an integer number (1421530704).
Almost surely, 26949705642 is an apocalyptic number.
6949705642 is a deficient number, since it is larger than the sum of its proper divisors (4422539990).
6949705642 is a wasteful number, since it uses less digits than its factorization.
6949705642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315895724.
The product of its (nonzero) digits is 3265920, while the sum is 52.
The square root of 6949705642 is about 83364.8945420073. The cubic root of 6949705642 is about 1908.3387547215.
The spelling of 6949705642 in words is "six billion, nine hundred forty-nine million, seven hundred five thousand, six hundred forty-two".
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