Base | Representation |
---|---|
bin | 1110001010011101… |
… | …0111000010100101 |
3 | 100210222002000201110 |
4 | 3202213113002211 |
5 | 30241301000210 |
6 | 1425133215233 |
7 | 163134126105 |
oct | 34247270245 |
9 | 10728060643 |
10 | 3801968805 |
11 | 1681126488 |
12 | 8a1331519 |
13 | 4878a65ab |
14 | 280d25205 |
15 | 173ba9420 |
hex | e29d70a5 |
3801968805 has 32 divisors (see below), whose sum is σ = 6289228800. Its totient is φ = 1959229440.
The previous prime is 3801968783. The next prime is 3801968809. The reversal of 3801968805 is 5088691083.
3801968805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 3801968805 - 216 = 3801903269 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3801968809) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306871 + ... + 319019.
It is an arithmetic number, because the mean of its divisors is an integer number (196538400).
Almost surely, 23801968805 is an apocalyptic number.
It is an amenable number.
3801968805 is a deficient number, since it is larger than the sum of its proper divisors (2487259995).
3801968805 is a wasteful number, since it uses less digits than its factorization.
3801968805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12861.
The product of its (nonzero) digits is 414720, while the sum is 48.
The square root of 3801968805 is about 61660.1070790507. The cubic root of 3801968805 is about 1560.7602043528.
The spelling of 3801968805 in words is "three billion, eight hundred one million, nine hundred sixty-eight thousand, eight hundred five".
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