Base | Representation |
---|---|
bin | 1100011101001111111… |
… | …00000001100000001000 |
3 | 1111220210101210220000121 |
4 | 12032213330001200020 |
5 | 24003040414322133 |
6 | 524343534513024 |
7 | 42631500645316 |
oct | 6164774014010 |
9 | 1456711726017 |
10 | 428019292168 |
11 | 155581806306 |
12 | 6ab52965774 |
13 | 31492552270 |
14 | 16a055350b6 |
15 | b2016c102d |
hex | 63a7f01808 |
428019292168 has 64 divisors (see below), whose sum is σ = 867905579520. Its totient is φ = 196717248000.
The previous prime is 428019292159. The next prime is 428019292193. The reversal of 428019292168 is 861292910824.
It is a happy number.
It is a super-2 number, since 2×4280192921682 (a number of 24 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (52).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57012271 + ... + 57019777.
It is an arithmetic number, because the mean of its divisors is an integer number (13561024680).
Almost surely, 2428019292168 is an apocalyptic number.
It is an amenable number.
428019292168 is an abundant number, since it is smaller than the sum of its proper divisors (439886287352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
428019292168 is a wasteful number, since it uses less digits than its factorization.
428019292168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9758 (or 9754 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 52.
The spelling of 428019292168 in words is "four hundred twenty-eight billion, nineteen million, two hundred ninety-two thousand, one hundred sixty-eight".
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