Base | Representation |
---|---|
bin | 10111110101110… |
… | …11010100001000 |
3 | 111221022212212110 |
4 | 23322323110020 |
5 | 402144343210 |
6 | 31502342320 |
7 | 4645641462 |
oct | 1372732410 |
9 | 457285773 |
10 | 199996680 |
11 | a2990514 |
12 | 56b8a9a0 |
13 | 32585940 |
14 | 1c7c1132 |
15 | 12858420 |
hex | bebb508 |
199996680 has 64 divisors (see below), whose sum is σ = 646148160. Its totient is φ = 49229568.
The previous prime is 199996639. The next prime is 199996681. The reversal of 199996680 is 86699991.
It is a super-2 number, since 2×1999966802 = 79997344022044800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 199996680.
It is not an unprimeable number, because it can be changed into a prime (199996681) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62542 + ... + 65661.
It is an arithmetic number, because the mean of its divisors is an integer number (10096065).
Almost surely, 2199996680 is an apocalyptic number.
199996680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
199996680 is an abundant number, since it is smaller than the sum of its proper divisors (446151480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199996680 is a wasteful number, since it uses less digits than its factorization.
199996680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128230 (or 128226 counting only the distinct ones).
The product of its (nonzero) digits is 1889568, while the sum is 57.
The square root of 199996680 is about 14142.0182435181. The cubic root of 199996680 is about 584.8003117117.
The spelling of 199996680 in words is "one hundred ninety-nine million, nine hundred ninety-six thousand, six hundred eighty".
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