Base | Representation |
---|---|
bin | 100000010111001100010111… |
… | …010011111011000111111111 |
3 | 200122221201222212200010200211 |
4 | 200113030113103323013333 |
5 | 122123424011423233043 |
6 | 1222414034024533251 |
7 | 41660045414043250 |
oct | 4027142723730777 |
9 | 618851885603624 |
10 | 142331312321023 |
11 | 41395409265591 |
12 | 13b68918621227 |
13 | 6155a28cc8877 |
14 | 2720c2d734b27 |
15 | 116c56dac7a9d |
hex | 8173174fb1ff |
142331312321023 has 8 divisors (see below), whose sum is σ = 169736720283648. Its totient is φ = 116693995194744.
The previous prime is 142331312321017. The next prime is 142331312321039. The reversal of 142331312321023 is 320123213133241.
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 142331312321023 - 29 = 142331312320511 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142331312321083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442022708911 + ... + 442022709232.
It is an arithmetic number, because the mean of its divisors is an integer number (21217090035456).
Almost surely, 2142331312321023 is an apocalyptic number.
142331312321023 is a deficient number, since it is larger than the sum of its proper divisors (27405407962625).
142331312321023 is an equidigital number, since it uses as much as digits as its factorization.
142331312321023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 884045418173.
The product of its (nonzero) digits is 15552, while the sum is 31.
Adding to 142331312321023 its reverse (320123213133241), we get a palindrome (462454525454264).
The spelling of 142331312321023 in words is "one hundred forty-two trillion, three hundred thirty-one billion, three hundred twelve million, three hundred twenty-one thousand, twenty-three".
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