Base | Representation |
---|---|
bin | 1011010100110100… |
… | …1110110000100101 |
3 | 21211212120100010112 |
4 | 2311031032300211 |
5 | 22211234110141 |
6 | 1221400502405 |
7 | 135223541546 |
oct | 26515166045 |
9 | 7755510115 |
10 | 3040144421 |
11 | 132009a556 |
12 | 70a17aa05 |
13 | 395acba32 |
14 | 20ba964cd |
15 | 12bd737eb |
hex | b534ec25 |
3040144421 has 2 divisors, whose sum is σ = 3040144422. Its totient is φ = 3040144420.
The previous prime is 3040144411. The next prime is 3040144423. The reversal of 3040144421 is 1244410403.
It is a happy number.
3040144421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2175196321 + 864948100 = 46639^2 + 29410^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3040144421 is a prime.
Together with 3040144423, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3040144423) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1520072210 + 1520072211.
It is an arithmetic number, because the mean of its divisors is an integer number (1520072211).
Almost surely, 23040144421 is an apocalyptic number.
It is an amenable number.
3040144421 is a deficient number, since it is larger than the sum of its proper divisors (1).
3040144421 is an equidigital number, since it uses as much as digits as its factorization.
3040144421 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 3040144421 is about 55137.5046678756. The cubic root of 3040144421 is about 1448.6542283228.
Adding to 3040144421 its reverse (1244410403), we get a palindrome (4284554824).
The spelling of 3040144421 in words is "three billion, forty million, one hundred forty-four thousand, four hundred twenty-one".
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