Base | Representation |
---|---|
bin | 101010010101011… |
… | …0011100000000101 |
3 | 10122222221020110121 |
4 | 1110222303200011 |
5 | 10402122212031 |
6 | 352542221541 |
7 | 50126053144 |
oct | 12452634005 |
9 | 3588836417 |
10 | 1420507141 |
11 | 669926049 |
12 | 3378848b1 |
13 | 1983ab991 |
14 | d692d75b |
15 | 84a96011 |
hex | 54ab3805 |
1420507141 has 8 divisors (see below), whose sum is σ = 1472179968. Its totient is φ = 1369200000.
The previous prime is 1420507139. The next prime is 1420507159. The reversal of 1420507141 is 1417050241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1420507141 - 21 = 1420507139 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 (1420507111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83500 + ... + 99061.
It is an arithmetic number, because the mean of its divisors is an integer number (184022496).
Almost surely, 21420507141 is an apocalyptic number.
It is an amenable number.
1420507141 is a deficient number, since it is larger than the sum of its proper divisors (51672827).
1420507141 is a wasteful number, since it uses less digits than its factorization.
1420507141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182843.
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 1420507141 is about 37689.6158245212. The cubic root of 1420507141 is about 1124.1246566342.
Adding to 1420507141 its reverse (1417050241), we get a palindrome (2837557382).
The spelling of 1420507141 in words is "one billion, four hundred twenty million, five hundred seven thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •