Base | Representation |
---|---|
bin | 10010100110001… |
… | …011111011000111 |
3 | 210202002020210221 |
4 | 102212023323013 |
5 | 1114333001244 |
6 | 50543125211 |
7 | 10505646400 |
oct | 2246137307 |
9 | 722066727 |
10 | 312000199 |
11 | 150130405 |
12 | 885a3807 |
13 | 4c83cc04 |
14 | 2d6189a7 |
15 | 1c5ce784 |
hex | 1298bec7 |
312000199 has 12 divisors (see below), whose sum is σ = 368054928. Its totient is φ = 263659200.
The previous prime is 312000193. The next prime is 312000223. The reversal of 312000199 is 991000213.
It is not a de Polignac number, because 312000199 - 225 = 278445767 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312000193) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41362 + ... + 48319.
It is an arithmetic number, because the mean of its divisors is an integer number (30671244).
Almost surely, 2312000199 is an apocalyptic number.
312000199 is a deficient number, since it is larger than the sum of its proper divisors (56054729).
312000199 is an equidigital number, since it uses as much as digits as its factorization.
312000199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89766 (or 89759 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 25.
The square root of 312000199 is about 17663.5273657330. The cubic root of 312000199 is about 678.2424328018.
The spelling of 312000199 in words is "three hundred twelve million, one hundred ninety-nine", and thus it is an aban number.
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