Base | Representation |
---|---|
bin | 101000101001010100… |
… | …1011101001101001101 |
3 | 22100022002220102210220 |
4 | 1101102221131031031 |
5 | 2412230200221130 |
6 | 104033144421553 |
7 | 6210012202146 |
oct | 1212251351515 |
9 | 270262812726 |
10 | 87285945165 |
11 | 34021705571 |
12 | 14abba778b9 |
13 | 8300757483 |
14 | 432068aacd |
15 | 240ce6c410 |
hex | 1452a5d34d |
87285945165 has 8 divisors (see below), whose sum is σ = 139657512288. Its totient is φ = 46552504080.
The previous prime is 87285945157. The next prime is 87285945193. The reversal of 87285945165 is 56154958278.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87285945165 - 23 = 87285945157 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 87285945099 and 87285945108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2909531491 + ... + 2909531520.
It is an arithmetic number, because the mean of its divisors is an integer number (17457189036).
Almost surely, 287285945165 is an apocalyptic number.
It is an amenable number.
87285945165 is a deficient number, since it is larger than the sum of its proper divisors (52371567123).
87285945165 is a wasteful number, since it uses less digits than its factorization.
87285945165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5819063019.
The product of its digits is 24192000, while the sum is 60.
The spelling of 87285945165 in words is "eighty-seven billion, two hundred eighty-five million, nine hundred forty-five thousand, one hundred sixty-five".
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