Base | Representation |
---|---|
bin | 10101100011011… |
… | …10100101000100 |
3 | 110121012222221202 |
4 | 22301232211010 |
5 | 332241324004 |
6 | 25535202032 |
7 | 4323562016 |
oct | 1261564504 |
9 | 417188852 |
10 | 180808004 |
11 | 93074803 |
12 | 50676318 |
13 | 2b5c78b0 |
14 | 1a0281b6 |
15 | 10d17b1e |
hex | ac6e944 |
180808004 has 24 divisors (see below), whose sum is σ = 343025088. Its totient is φ = 82893600.
The previous prime is 180807989. The next prime is 180808007. The reversal of 180808004 is 400808081.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (180808007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3662 + ... + 19365.
It is an arithmetic number, because the mean of its divisors is an integer number (14292712).
Almost surely, 2180808004 is an apocalyptic number.
It is an amenable number.
180808004 is a deficient number, since it is larger than the sum of its proper divisors (162217084).
180808004 is a wasteful number, since it uses less digits than its factorization.
180808004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23195 (or 23193 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 29.
The square root of 180808004 is about 13446.4866786830. The cubic root of 180808004 is about 565.4652017437.
The spelling of 180808004 in words is "one hundred eighty million, eight hundred eight thousand, four".
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