Base | Representation |
---|---|
bin | 11100000011010100… |
… | …010000101101011001 |
3 | 2212202010212120101102 |
4 | 130003110100231121 |
5 | 443141311222131 |
6 | 21500453001145 |
7 | 2114261203124 |
oct | 340324205531 |
9 | 85663776342 |
10 | 30120414041 |
11 | 11857208973 |
12 | 5a073231b5 |
13 | 2ac0305603 |
14 | 165a4313bb |
15 | bb44b21cb |
hex | 703510b59 |
30120414041 has 4 divisors (see below), whose sum is σ = 30121209252. Its totient is φ = 30119618832.
The previous prime is 30120414013. The next prime is 30120414053. The reversal of 30120414041 is 14041402103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14041402103 = 35419 ⋅396437.
It can be written as a sum of positive squares in 2 ways, for example, as 1287015625 + 28833398416 = 35875^2 + 169804^2 .
It is a cyclic number.
It is not a de Polignac number, because 30120414041 - 230 = 29046672217 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30120414941) 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, 337790 + ... + 417543.
It is an arithmetic number, because the mean of its divisors is an integer number (7530302313).
Almost surely, 230120414041 is an apocalyptic number.
It is an amenable number.
30120414041 is a deficient number, since it is larger than the sum of its proper divisors (795211).
30120414041 is an equidigital number, since it uses as much as digits as its factorization.
30120414041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 795210.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 30120414041 its reverse (14041402103), we get a palindrome (44161816144).
The spelling of 30120414041 in words is "thirty billion, one hundred twenty million, four hundred fourteen thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •