Base | Representation |
---|---|
bin | 1000010100001111100… |
… | …0110000011110001011 |
3 | 111122210001111221102002 |
4 | 2011003320300132023 |
5 | 4320100423412333 |
6 | 145345045301215 |
7 | 13215344244611 |
oct | 2050370603613 |
9 | 448701457362 |
10 | 142872872843 |
11 | 55657015018 |
12 | 23833a0480b |
13 | 1061bb2555c |
14 | 6cb4dc16b1 |
15 | 3ab30530e8 |
hex | 2143e3078b |
142872872843 has 4 divisors (see below), whose sum is σ = 142892055288. Its totient is φ = 142853690400.
The previous prime is 142872872837. The next prime is 142872872861. The reversal of 142872872843 is 348278278241.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142872872843 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142872875843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9580046 + ... + 9594947.
It is an arithmetic number, because the mean of its divisors is an integer number (35723013822).
Almost surely, 2142872872843 is an apocalyptic number.
142872872843 is a deficient number, since it is larger than the sum of its proper divisors (19182445).
142872872843 is an equidigital number, since it uses as much as digits as its factorization.
142872872843 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19182444.
The product of its digits is 9633792, while the sum is 56.
The spelling of 142872872843 in words is "one hundred forty-two billion, eight hundred seventy-two million, eight hundred seventy-two thousand, eight hundred forty-three".
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