Base | Representation |
---|---|
bin | 1000010101100010100… |
… | …1100100111101100111 |
3 | 111200200022222120010101 |
4 | 2011120221210331213 |
5 | 4321304112340304 |
6 | 145443411404531 |
7 | 13230104145625 |
oct | 2053051447547 |
9 | 450608876111 |
10 | 143221215079 |
11 | 55815707768 |
12 | 239105b3747 |
13 | 1067604b017 |
14 | 6d0937a515 |
15 | 3ad39108a4 |
hex | 2158a64f67 |
143221215079 has 2 divisors, whose sum is σ = 143221215080. Its totient is φ = 143221215078.
The previous prime is 143221215077. The next prime is 143221215131. The reversal of 143221215079 is 970512122341.
143221215079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 143221215079 - 21 = 143221215077 is a prime.
Together with 143221215077, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (143221215077) 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 as a sum of consecutive naturals, namely, 71610607539 + 71610607540.
It is an arithmetic number, because the mean of its divisors is an integer number (71610607540).
Almost surely, 2143221215079 is an apocalyptic number.
143221215079 is a deficient number, since it is larger than the sum of its proper divisors (1).
143221215079 is an equidigital number, since it uses as much as digits as its factorization.
143221215079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 30240, while the sum is 37.
The spelling of 143221215079 in words is "one hundred forty-three billion, two hundred twenty-one million, two hundred fifteen thousand, seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •