Base | Representation |
---|---|
bin | 11011111110100110… |
… | …110110010001111101 |
3 | 2212112122012021002221 |
4 | 123332212312101331 |
5 | 443011044303240 |
6 | 21444551245341 |
7 | 2112311455600 |
oct | 337646662175 |
9 | 85478167087 |
10 | 30041400445 |
11 | 11816650881 |
12 | 59a4979851 |
13 | 2aa9b2c1c4 |
14 | 164db44337 |
15 | bac5a5a4a |
hex | 6fe9b647d |
30041400445 has 12 divisors (see below), whose sum is σ = 41935343004. Its totient is φ = 20599817280.
The previous prime is 30041400421. The next prime is 30041400449. The reversal of 30041400445 is 54400414003.
It can be written as a sum of positive squares in 2 ways, for example, as 22195338361 + 7846062084 = 148981^2 + 88578^2 .
It is not a de Polignac number, because 30041400445 - 27 = 30041400317 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30041400449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61308736 + ... + 61309225.
It is an arithmetic number, because the mean of its divisors is an integer number (3494611917).
Almost surely, 230041400445 is an apocalyptic number.
30041400445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30041400445 is a deficient number, since it is larger than the sum of its proper divisors (11893942559).
30041400445 is a wasteful number, since it uses less digits than its factorization.
30041400445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122617980 (or 122617973 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 25.
Adding to 30041400445 its reverse (54400414003), we get a palindrome (84441814448).
The spelling of 30041400445 in words is "thirty billion, forty-one million, four hundred thousand, four hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •