Base | Representation |
---|---|
bin | 1001011101000011111… |
… | …1011101101011000001 |
3 | 120112020100001022220220 |
4 | 2113100333131223001 |
5 | 10130114020244424 |
6 | 202340442053253 |
7 | 14506630651602 |
oct | 2272077355301 |
9 | 515210038826 |
10 | 162420087489 |
11 | 629779a5770 |
12 | 2758a1aa229 |
13 | 1241576975a |
14 | 7c0b0c1da9 |
15 | 4359180579 |
hex | 25d0fddac1 |
162420087489 has 16 divisors (see below), whose sum is σ = 236700874944. Its totient is φ = 98247468800.
The previous prime is 162420087469. The next prime is 162420087493. The reversal of 162420087489 is 984780024261.
It is a cyclic number.
It is not a de Polignac number, because 162420087489 - 29 = 162420086977 is a prime.
It is not an unprimeable number, because it can be changed into a prime (162420087419) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4706244 + ... + 4740629.
It is an arithmetic number, because the mean of its divisors is an integer number (14793804684).
Almost surely, 2162420087489 is an apocalyptic number.
It is an amenable number.
162420087489 is a deficient number, since it is larger than the sum of its proper divisors (74280787455).
162420087489 is a wasteful number, since it uses less digits than its factorization.
162420087489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9447408.
The product of its (nonzero) digits is 1548288, while the sum is 51.
The spelling of 162420087489 in words is "one hundred sixty-two billion, four hundred twenty million, eighty-seven thousand, four hundred eighty-nine".
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