Base | Representation |
---|---|
bin | 10110000011100… |
… | …01001010110000 |
3 | 110220010122000002 |
4 | 23001301022300 |
5 | 334330403122 |
6 | 30205245132 |
7 | 4404404150 |
oct | 1301611260 |
9 | 426118002 |
10 | 185012912 |
11 | 95486a37 |
12 | 51b637a8 |
13 | 2c43a7c6 |
14 | 1a800760 |
15 | 11398992 |
hex | b0712b0 |
185012912 has 40 divisors (see below), whose sum is σ = 410393376. Its totient is φ = 79151616.
The previous prime is 185012909. The next prime is 185012917. The reversal of 185012912 is 219210581.
It is not an unprimeable number, because it can be changed into a prime (185012917) by changing a digit.
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, 85508 + ... + 87644.
Almost surely, 2185012912 is an apocalyptic number.
It is an amenable number.
185012912 is an abundant number, since it is smaller than the sum of its proper divisors (225380464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
185012912 is a wasteful number, since it uses less digits than its factorization.
185012912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2925 (or 2919 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 29.
The square root of 185012912 is about 13601.9451550137. The cubic root of 185012912 is about 569.8151775868.
The spelling of 185012912 in words is "one hundred eighty-five million, twelve thousand, nine hundred twelve".
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