Base | Representation |
---|---|
bin | 1000010100001011101… |
… | …11100010010000001111 |
3 | 1000022110212212022201111 |
4 | 10022011313202100033 |
5 | 14140120211110422 |
6 | 335131033352451 |
7 | 26433152653456 |
oct | 4120567422017 |
9 | 1008425768644 |
10 | 285713769487 |
11 | 100196a79923 |
12 | 47458b68727 |
13 | 20c34133483 |
14 | db85a3bb9d |
15 | 767338ba77 |
hex | 4285de240f |
285713769487 has 16 divisors (see below), whose sum is σ = 289670119200. Its totient is φ = 281784614400.
The previous prime is 285713769461. The next prime is 285713769511. The reversal of 285713769487 is 784967317582.
It is a cyclic number.
It is not a de Polignac number, because 285713769487 - 227 = 285579551759 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (285713769427) 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 15 ways as a sum of consecutive naturals, for example, 22725339 + ... + 22737907.
It is an arithmetic number, because the mean of its divisors is an integer number (18104382450).
Almost surely, 2285713769487 is an apocalyptic number.
285713769487 is a deficient number, since it is larger than the sum of its proper divisors (3956349713).
285713769487 is a wasteful number, since it uses less digits than its factorization.
285713769487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13626.
The product of its digits is 142248960, while the sum is 67.
The spelling of 285713769487 in words is "two hundred eighty-five billion, seven hundred thirteen million, seven hundred sixty-nine thousand, four hundred eighty-seven".
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