Base | Representation |
---|---|
bin | 1111010111001… |
… | …00111111001100 |
3 | 22222110222110022 |
4 | 13223210333030 |
5 | 230442123304 |
6 | 20442001312 |
7 | 3123220250 |
oct | 753447714 |
9 | 288428408 |
10 | 128864204 |
11 | 66816647 |
12 | 371a6238 |
13 | 2090b811 |
14 | 13186260 |
15 | b4a6ebe |
hex | 7ae4fcc |
128864204 has 12 divisors (see below), whose sum is σ = 257728464. Its totient is φ = 55227504.
The previous prime is 128864191. The next prime is 128864231. The reversal of 128864204 is 402468821.
128864204 is an admirable number.
It is a hoax number, since the sum of its digits (35) 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 (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2301119 + ... + 2301174.
It is an arithmetic number, because the mean of its divisors is an integer number (21477372).
Almost surely, 2128864204 is an apocalyptic number.
128864204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
128864204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128864204 is a wasteful number, since it uses less digits than its factorization.
128864204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4602304 (or 4602302 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 35.
The square root of 128864204 is about 11351.8370319521. The cubic root of 128864204 is about 505.1000736224.
The spelling of 128864204 in words is "one hundred twenty-eight million, eight hundred sixty-four thousand, two hundred four".
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