Base | Representation |
---|---|
bin | 1000010010101001101… |
… | …1011101101001000001 |
3 | 111121200021211112001002 |
4 | 2010222123131221001 |
5 | 4313212103410022 |
6 | 145234431021345 |
7 | 13201640003036 |
oct | 2045233355101 |
9 | 447607745032 |
10 | 142445763137 |
11 | 55457a13197 |
12 | 2373496a855 |
13 | 105814b1712 |
14 | 6c743a138d |
15 | 3a8a7d7092 |
hex | 212a6dda41 |
142445763137 has 2 divisors, whose sum is σ = 142445763138. Its totient is φ = 142445763136.
The previous prime is 142445763107. The next prime is 142445763169. The reversal of 142445763137 is 731367544241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 74333114881 + 68112648256 = 272641^2 + 260984^2 .
It is a cyclic number.
It is not a de Polignac number, because 142445763137 - 28 = 142445762881 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142445763091 and 142445763100.
It is not a weakly prime, because it can be changed into another prime (142445763107) 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, 71222881568 + 71222881569.
It is an arithmetic number, because the mean of its divisors is an integer number (71222881569).
Almost surely, 2142445763137 is an apocalyptic number.
It is an amenable number.
142445763137 is a deficient number, since it is larger than the sum of its proper divisors (1).
142445763137 is an equidigital number, since it uses as much as digits as its factorization.
142445763137 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1693440, while the sum is 47.
The spelling of 142445763137 in words is "one hundred forty-two billion, four hundred forty-five million, seven hundred sixty-three thousand, one hundred thirty-seven".
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