Base | Representation |
---|---|
bin | 1001010011101001011… |
… | …1101011010010000000 |
3 | 120021201020000210120102 |
4 | 2110322113223102000 |
5 | 10104430111400242 |
6 | 201242011301532 |
7 | 14360204466503 |
oct | 2247227532200 |
9 | 507636023512 |
10 | 159893075072 |
11 | 618a0521955 |
12 | 26ba3a4a8a8 |
13 | 12102070133 |
14 | 7a4b63d13a |
15 | 425c3bae32 |
hex | 253a5eb480 |
159893075072 has 32 divisors (see below), whose sum is σ = 323758919100. Its totient is φ = 78635934720.
The previous prime is 159893075033. The next prime is 159893075161. The reversal of 159893075072 is 270570398951.
It can be written as a sum of positive squares in 2 ways, for example, as 156328507456 + 3564567616 = 395384^2 + 59704^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 159893074999 and 159893075017.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 10231247 + ... + 10246862.
Almost surely, 2159893075072 is an apocalyptic number.
It is an amenable number.
159893075072 is an abundant number, since it is smaller than the sum of its proper divisors (163865844028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
159893075072 is an equidigital number, since it uses as much as digits as its factorization.
159893075072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20478184 (or 20478172 counting only the distinct ones).
The product of its (nonzero) digits is 4762800, while the sum is 56.
The spelling of 159893075072 in words is "one hundred fifty-nine billion, eight hundred ninety-three million, seventy-five thousand, seventy-two".
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