Base | Representation |
---|---|
bin | 1111111110001010… |
… | …0101011111111000 |
3 | 102001210020012101022 |
4 | 3333202211133320 |
5 | 32240014202233 |
6 | 1545230442012 |
7 | 211146036200 |
oct | 37742453770 |
9 | 12053205338 |
10 | 4287256568 |
11 | 1900054351 |
12 | 9b7963308 |
13 | 5342aa00a |
14 | 2c956b400 |
15 | 1a15b8398 |
hex | ff8a57f8 |
4287256568 has 96 divisors (see below), whose sum is σ = 9544262400. Its totient is φ = 1799759808.
The previous prime is 4287256541. The next prime is 4287256573. The reversal of 4287256568 is 8656527824.
It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6276755 + ... + 6277437.
It is an arithmetic number, because the mean of its divisors is an integer number (99419400).
Almost surely, 24287256568 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4287256568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4772131200).
4287256568 is an abundant number, since it is smaller than the sum of its proper divisors (5257005832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4287256568 is a wasteful number, since it uses less digits than its factorization.
4287256568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1009 (or 998 counting only the distinct ones).
The product of its digits is 6451200, while the sum is 53.
The square root of 4287256568 is about 65477.1453867684. The cubic root of 4287256568 is about 1624.5253452981.
It can be divided in two parts, 4287256 and 568, that added together give a palindrome (4287824).
The spelling of 4287256568 in words is "four billion, two hundred eighty-seven million, two hundred fifty-six thousand, five hundred sixty-eight".
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