Base | Representation |
---|---|
bin | 1000010001110111111… |
… | …1011000111011000011 |
3 | 111121010202011011201211 |
4 | 2010131333120323003 |
5 | 4312300142432222 |
6 | 145202014110551 |
7 | 13163524131142 |
oct | 2043577307303 |
9 | 447122134654 |
10 | 142237077187 |
11 | 55360138367 |
12 | 23696aab457 |
13 | 1054a1a59ca |
14 | 6c5479b759 |
15 | 3a77314277 |
hex | 211dfd8ec3 |
142237077187 has 2 divisors, whose sum is σ = 142237077188. Its totient is φ = 142237077186.
The previous prime is 142237077167. The next prime is 142237077209. The reversal of 142237077187 is 781770732241.
It is a weak prime.
It is an emirp because it is prime and its reverse (781770732241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142237077187 - 215 = 142237044419 is a prime.
It is a super-3 number, since 3×1422370771873 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 142237077187.
It is not a weakly prime, because it can be changed into another prime (142237077127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71118538593 + 71118538594.
It is an arithmetic number, because the mean of its divisors is an integer number (71118538594).
Almost surely, 2142237077187 is an apocalyptic number.
142237077187 is a deficient number, since it is larger than the sum of its proper divisors (1).
142237077187 is an equidigital number, since it uses as much as digits as its factorization.
142237077187 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 921984, while the sum is 49.
The spelling of 142237077187 in words is "one hundred forty-two billion, two hundred thirty-seven million, seventy-seven thousand, one hundred eighty-seven".
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