Base | Representation |
---|---|
bin | 1000010001101010100… |
… | …1100100000011011111 |
3 | 111120222211200101011122 |
4 | 2010122221210003133 |
5 | 4312141320231332 |
6 | 145152252441155 |
7 | 13162243522523 |
oct | 2043251440337 |
9 | 446884611148 |
10 | 142181023967 |
11 | 55331532794 |
12 | 236801791bb |
13 | 1053b6ab318 |
14 | 6c4b169d83 |
15 | 3a72440c12 |
hex | 211aa640df |
142181023967 has 2 divisors, whose sum is σ = 142181023968. Its totient is φ = 142181023966.
The previous prime is 142181023913. The next prime is 142181023969. The reversal of 142181023967 is 769320181241.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 142181023967 - 26 = 142181023903 is a prime.
Together with 142181023969, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142181023969) 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 as a sum of consecutive naturals, namely, 71090511983 + 71090511984.
It is an arithmetic number, because the mean of its divisors is an integer number (71090511984).
Almost surely, 2142181023967 is an apocalyptic number.
142181023967 is a deficient number, since it is larger than the sum of its proper divisors (1).
142181023967 is an equidigital number, since it uses as much as digits as its factorization.
142181023967 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 145152, while the sum is 44.
The spelling of 142181023967 in words is "one hundred forty-two billion, one hundred eighty-one million, twenty-three thousand, nine hundred sixty-seven".
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