Base | Representation |
---|---|
bin | 111011011101100… |
… | …0110011000011100 |
3 | 12011001022212112001 |
4 | 1312323012120130 |
5 | 13041233012444 |
6 | 525552052044 |
7 | 100304645434 |
oct | 16673063034 |
9 | 5131285461 |
10 | 1995204124 |
11 | 934271431 |
12 | 478234024 |
13 | 25a488474 |
14 | 14cdab2c4 |
15 | ba2668d4 |
hex | 76ec661c |
1995204124 has 12 divisors (see below), whose sum is σ = 3492113184. Its totient is φ = 997457504.
The previous prime is 1995204109. The next prime is 1995204137. The reversal of 1995204124 is 4214025991.
It is a congruent number.
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, 1369 + ... + 63184.
It is an arithmetic number, because the mean of its divisors is an integer number (291009432).
Almost surely, 21995204124 is an apocalyptic number.
It is an amenable number.
1995204124 is a deficient number, since it is larger than the sum of its proper divisors (1496909060).
1995204124 is a wasteful number, since it uses less digits than its factorization.
1995204124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72284 (or 72282 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 37.
The square root of 1995204124 is about 44667.7078435865. The cubic root of 1995204124 is about 1258.9131730021.
The spelling of 1995204124 in words is "one billion, nine hundred ninety-five million, two hundred four thousand, one hundred twenty-four".
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