Base | Representation |
---|---|
bin | 1011110110100000… |
… | …1001110111100000 |
3 | 22012201101212210101 |
4 | 2331220021313200 |
5 | 23003420420000 |
6 | 1243404512144 |
7 | 141560423653 |
oct | 27550116740 |
9 | 8181355711 |
10 | 3181420000 |
11 | 1392912a30 |
12 | 74954b654 |
13 | 3b9164855 |
14 | 22274d89a |
15 | 13947ce6a |
hex | bda09de0 |
3181420000 has 120 divisors (see below), whose sum is σ = 8538885432. Its totient is φ = 1156800000.
The previous prime is 3181419991. The next prime is 3181420009. The reversal of 3181420000 is 241813.
3181420000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (3181419991) and next prime (3181420009).
It is a self number, because there is not a number n which added to its sum of digits gives 3181420000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3181420009) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 212770 + ... + 227230.
Almost surely, 23181420000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3181420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4269442716).
3181420000 is an abundant number, since it is smaller than the sum of its proper divisors (5357465432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3181420000 is a wasteful number, since it uses less digits than its factorization.
3181420000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14502 (or 14479 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 3181420000 is about 56404.0778667642. The cubic root of 3181420000 is about 1470.7550072826.
Adding to 3181420000 its reverse (241813), we get a palindrome (3181661813).
The spelling of 3181420000 in words is "three billion, one hundred eighty-one million, four hundred twenty thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •