Base | Representation |
---|---|
bin | 1111010110110… |
… | …00100000001000 |
3 | 22222101101022020 |
4 | 13223120200020 |
5 | 230434004224 |
6 | 20440524440 |
7 | 3122615202 |
oct | 753304010 |
9 | 288341266 |
10 | 128813064 |
11 | 66791186 |
12 | 37180720 |
13 | 208c1463 |
14 | 13171772 |
15 | b496c79 |
hex | 7ad8808 |
128813064 has 32 divisors (see below), whose sum is σ = 336035520. Its totient is φ = 41070656.
The previous prime is 128813059. The next prime is 128813089. The reversal of 128813064 is 460318821.
It is a super-3 number, since 3×1288130643 (a number of 25 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116127 + ... + 117230.
It is an arithmetic number, because the mean of its divisors is an integer number (10501110).
Almost surely, 2128813064 is an apocalyptic number.
It is an amenable number.
128813064 is an abundant number, since it is smaller than the sum of its proper divisors (207222456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128813064 is a wasteful number, since it uses less digits than its factorization.
128813064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233389 (or 233385 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 128813064 is about 11349.5843095683. The cubic root of 128813064 is about 505.0332481459.
The spelling of 128813064 in words is "one hundred twenty-eight million, eight hundred thirteen thousand, sixty-four".
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