Base | Representation |
---|---|
bin | 101101111001111… |
… | …0001110101100011 |
3 | 10222100100100120000 |
4 | 1123303301311203 |
5 | 11123304101011 |
6 | 412501551043 |
7 | 53112222636 |
oct | 13363616543 |
9 | 3870310500 |
10 | 1540300131 |
11 | 720506317 |
12 | 36ba15483 |
13 | 1b71625c6 |
14 | 1087d3c1d |
15 | 9035a356 |
hex | 5bcf1d63 |
1540300131 has 20 divisors (see below), whose sum is σ = 2375169984. Its totient is φ = 993740400.
The previous prime is 1540300117. The next prime is 1540300159. The reversal of 1540300131 is 1310030451.
It is not a de Polignac number, because 1540300131 - 26 = 1540300067 is a prime.
It is a super-2 number, since 2×15403001312 = 4745048987117234322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1540300031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 304200 + ... + 309221.
Almost surely, 21540300131 is an apocalyptic number.
1540300131 is a deficient number, since it is larger than the sum of its proper divisors (834869853).
1540300131 is an equidigital number, since it uses as much as digits as its factorization.
1540300131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 613464 (or 613455 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 1540300131 is about 39246.6575774294. The cubic root of 1540300131 is about 1154.8753651986.
Adding to 1540300131 its reverse (1310030451), we get a palindrome (2850330582).
The spelling of 1540300131 in words is "one billion, five hundred forty million, three hundred thousand, one hundred thirty-one".
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