Base | Representation |
---|---|
bin | 1001010000011111110… |
… | …0101100110111101001 |
3 | 120012112021020222202211 |
4 | 2110013330230313221 |
5 | 10101212032033024 |
6 | 201022032125121 |
7 | 14330223260065 |
oct | 2240774546751 |
9 | 505467228684 |
10 | 159047142889 |
11 | 614a6a69548 |
12 | 269a86967a1 |
13 | 11cc8a2754b |
14 | 79ab158aa5 |
15 | 420cebe594 |
hex | 2507f2cde9 |
159047142889 has 2 divisors, whose sum is σ = 159047142890. Its totient is φ = 159047142888.
The previous prime is 159047142857. The next prime is 159047142893. The reversal of 159047142889 is 988241740951.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 156831840400 + 2215302489 = 396020^2 + 47067^2 .
It is an emirp because it is prime and its reverse (988241740951) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 159047142889 - 25 = 159047142857 is a prime.
It is a super-2 number, since 2×1590471428892 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (159047142829) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79523571444 + 79523571445.
It is an arithmetic number, because the mean of its divisors is an integer number (79523571445).
Almost surely, 2159047142889 is an apocalyptic number.
It is an amenable number.
159047142889 is a deficient number, since it is larger than the sum of its proper divisors (1).
159047142889 is an equidigital number, since it uses as much as digits as its factorization.
159047142889 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5806080, while the sum is 58.
The spelling of 159047142889 in words is "one hundred fifty-nine billion, forty-seven million, one hundred forty-two thousand, eight hundred eighty-nine".
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