Base | Representation |
---|---|
bin | 10010111110000… |
… | …01110110111011 |
3 | 102002102120222101 |
4 | 21133001312323 |
5 | 311214112034 |
6 | 23442404231 |
7 | 3641401000 |
oct | 1137016673 |
9 | 362376871 |
10 | 159129019 |
11 | 81907a95 |
12 | 45360677 |
13 | 26c771aa |
14 | 171c38a7 |
15 | de84514 |
hex | 97c1dbb |
159129019 has 24 divisors (see below), whose sum is σ = 194213600. Its totient is φ = 130317264.
The previous prime is 159129001. The next prime is 159129029. The reversal of 159129019 is 910921951.
It is not a de Polignac number, because 159129019 - 25 = 159128987 is a prime.
It is a super-2 number, since 2×1591290192 = 50644089375804722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (159129029) 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 in 23 ways as a sum of consecutive naturals, for example, 181009 + ... + 181885.
Almost surely, 2159129019 is an apocalyptic number.
159129019 is a deficient number, since it is larger than the sum of its proper divisors (35084581).
159129019 is an frugal number, since it uses more digits than its factorization.
159129019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 944 (or 907 counting only the distinct ones).
The product of its (nonzero) digits is 7290, while the sum is 37.
The square root of 159129019 is about 12614.6351116471. The cubic root of 159129019 is about 541.8966445078.
The spelling of 159129019 in words is "one hundred fifty-nine million, one hundred twenty-nine thousand, nineteen".
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