Base | Representation |
---|---|
bin | 10001000010000… |
… | …01000111101001 |
3 | 100221211201000000 |
4 | 20201001013221 |
5 | 243033414230 |
6 | 22102133213 |
7 | 3353254356 |
oct | 1041010751 |
9 | 327751000 |
10 | 142873065 |
11 | 73714715 |
12 | 3ba21209 |
13 | 237a4c9a |
14 | 14d9162d |
15 | c822b60 |
hex | 88411e9 |
142873065 has 56 divisors (see below), whose sum is σ = 270714240. Its totient is φ = 72153504.
The previous prime is 142873063. The next prime is 142873067. The reversal of 142873065 is 560378241.
It is an interprime number because it is at equal distance from previous prime (142873063) and next prime (142873067).
It is not a de Polignac number, because 142873065 - 21 = 142873063 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142873063) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 68224 + ... + 70286.
Almost surely, 2142873065 is an apocalyptic number.
142873065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142873065 is a deficient number, since it is larger than the sum of its proper divisors (127841175).
142873065 is an equidigital number, since it uses as much as digits as its factorization.
142873065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2105 (or 2090 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 142873065 is about 11952.9521458090. The cubic root of 142873065 is about 522.7773791826. Note that the first 3 decimals are identical.
The spelling of 142873065 in words is "one hundred forty-two million, eight hundred seventy-three thousand, sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •