Base | Representation |
---|---|
bin | 111110000111011… |
… | …101110011100111 |
3 | 2200121222102110222 |
4 | 332013131303213 |
5 | 4113242110422 |
6 | 251224434555 |
7 | 34553040056 |
oct | 7607356347 |
9 | 2617872428 |
10 | 1042144487 |
11 | 49529963a |
12 | 251018a5b |
13 | 137ba4b57 |
14 | 9c59c39d |
15 | 61758842 |
hex | 3e1ddce7 |
1042144487 has 2 divisors, whose sum is σ = 1042144488. Its totient is φ = 1042144486.
The previous prime is 1042144417. The next prime is 1042144501. The reversal of 1042144487 is 7844412401.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1042144487 - 210 = 1042143463 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1042144417) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521072243 + 521072244.
It is an arithmetic number, because the mean of its divisors is an integer number (521072244).
Almost surely, 21042144487 is an apocalyptic number.
1042144487 is a deficient number, since it is larger than the sum of its proper divisors (1).
1042144487 is an equidigital number, since it uses as much as digits as its factorization.
1042144487 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 28672, while the sum is 35.
The square root of 1042144487 is about 32282.2627304841. The cubic root of 1042144487 is about 1013.8553062240.
Adding to 1042144487 its reverse (7844412401), we get a palindrome (8886556888).
The spelling of 1042144487 in words is "one billion, forty-two million, one hundred forty-four thousand, four hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •