Base | Representation |
---|---|
bin | 10010100111100010… |
… | …11100100111110100 |
3 | 221210121010020002021 |
4 | 21103301130213310 |
5 | 130432310441222 |
6 | 4331500122524 |
7 | 502460355550 |
oct | 112361344764 |
9 | 27717106067 |
10 | 9995405812 |
11 | 426a167367 |
12 | 1b2b536444 |
13 | c33a6c312 |
14 | 6ab6c8860 |
15 | 3d77a1ac7 |
hex | 253c5c9f4 |
9995405812 has 12 divisors (see below), whose sum is σ = 19990811680. Its totient is φ = 4283745336.
The previous prime is 9995405807. The next prime is 9995405831. The reversal of 9995405812 is 2185045999.
9995405812 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 9995405812.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178489362 + ... + 178489417.
Almost surely, 29995405812 is an apocalyptic number.
It is an amenable number.
9995405812 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.
9995405812 is a wasteful number, since it uses less digits than its factorization.
9995405812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 356978790 (or 356978788 counting only the distinct ones).
The product of its (nonzero) digits is 1166400, while the sum is 52.
The square root of 9995405812 is about 99977.0264210734. The cubic root of 9995405812 is about 2154.1047102271.
The spelling of 9995405812 in words is "nine billion, nine hundred ninety-five million, four hundred five thousand, eight hundred twelve".
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