Base | Representation |
---|---|
bin | 1011011111111011… |
… | …0001111000101110 |
3 | 21222010010222122000 |
4 | 2313332301320232 |
5 | 22310143002130 |
6 | 1230142233130 |
7 | 136330261524 |
oct | 26776617056 |
9 | 7863128560 |
10 | 3086687790 |
11 | 134439a24a |
12 | 7218857a6 |
13 | 3a26469a4 |
14 | 213d30314 |
15 | 130eb9260 |
hex | b7fb1e2e |
3086687790 has 128 divisors (see below), whose sum is σ = 9016272000. Its totient is φ = 747952128.
The previous prime is 3086687783. The next prime is 3086687797. The reversal of 3086687790 is 977866803.
It is an interprime number because it is at equal distance from previous prime (3086687783) and next prime (3086687797).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3086687797) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 121516 + ... + 144704.
It is an arithmetic number, because the mean of its divisors is an integer number (70439625).
Almost surely, 23086687790 is an apocalyptic number.
3086687790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3086687790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4508136000).
3086687790 is an abundant number, since it is smaller than the sum of its proper divisors (5929584210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3086687790 is a wasteful number, since it uses less digits than its factorization.
3086687790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23251 (or 23245 counting only the distinct ones).
The product of its (nonzero) digits is 3048192, while the sum is 54.
The square root of 3086687790 is about 55557.9678354059. The cubic root of 3086687790 is about 1456.0095873332.
The spelling of 3086687790 in words is "three billion, eighty-six million, six hundred eighty-seven thousand, seven hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.093 sec. • engine limits •