Base | Representation |
---|---|
bin | 100100101010101000… |
… | …1010000111110111111 |
3 | 21112020112012110220100 |
4 | 1021111101100332333 |
5 | 2242224420010303 |
6 | 100101143252143 |
7 | 5455151651160 |
oct | 1112521207677 |
9 | 245215173810 |
10 | 78740000703 |
11 | 3043674aa51 |
12 | 13315a4a053 |
13 | 756b093ac0 |
14 | 3b4d6ab767 |
15 | 20aca808a3 |
hex | 1255450fbf |
78740000703 has 48 divisors (see below), whose sum is σ = 140013619200. Its totient is φ = 41523872832.
The previous prime is 78740000683. The next prime is 78740000753. The reversal of 78740000703 is 30700004787.
It is a happy number.
78740000703 is a nontrivial binomial coefficient, being equal to C(396838, 2).
It is not a de Polignac number, because 78740000703 - 28 = 78740000447 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78740000753) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5151250 + ... + 5166512.
It is an arithmetic number, because the mean of its divisors is an integer number (2916950400).
Almost surely, 278740000703 is an apocalyptic number.
78740000703 is the 396837-th triangular number and also the 198419-th hexagonal number.
78740000703 is a deficient number, since it is larger than the sum of its proper divisors (61273618497).
78740000703 is a wasteful number, since it uses less digits than its factorization.
78740000703 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21588 (or 21585 counting only the distinct ones).
The product of its (nonzero) digits is 32928, while the sum is 36.
The spelling of 78740000703 in words is "seventy-eight billion, seven hundred forty million, seven hundred three", and thus it is an aban number.
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