Base | Representation |
---|---|
bin | 111011011101101… |
… | …1001111110111100 |
3 | 12011001110221122200 |
4 | 1312323121332330 |
5 | 13041243100122 |
6 | 525553511500 |
7 | 100305431502 |
oct | 16673317674 |
9 | 5131427580 |
10 | 1995284412 |
11 | 934316790 |
12 | 478272590 |
13 | 25a4b5b84 |
14 | 14cdcc672 |
15 | ba2805ac |
hex | 76ed9fbc |
1995284412 has 36 divisors (see below), whose sum is σ = 5502149016. Its totient is φ = 604631520.
The previous prime is 1995284381. The next prime is 1995284429. The reversal of 1995284412 is 2144825991.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2518903 + ... + 2519694.
Almost surely, 21995284412 is an apocalyptic number.
1995284412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1995284412 is an abundant number, since it is smaller than the sum of its proper divisors (3506864604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1995284412 is a wasteful number, since it uses less digits than its factorization.
1995284412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5038618 (or 5038613 counting only the distinct ones).
The product of its digits is 207360, while the sum is 45.
The square root of 1995284412 is about 44668.6065598648. The cubic root of 1995284412 is about 1258.9300592050.
The spelling of 1995284412 in words is "one billion, nine hundred ninety-five million, two hundred eighty-four thousand, four hundred twelve".
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