Base | Representation |
---|---|
bin | 1011100111001010101… |
… | …1100110011100001000 |
3 | 201001220222101102121201 |
4 | 2321302223212130020 |
5 | 11232030041343010 |
6 | 231351241113544 |
7 | 20261416336312 |
oct | 2716253463410 |
9 | 631828342551 |
10 | 199492527880 |
11 | 77671370958 |
12 | 327b57888b4 |
13 | 15a7314c009 |
14 | 99269427b2 |
15 | 52c8b3223a |
hex | 2e72ae6708 |
199492527880 has 32 divisors (see below), whose sum is σ = 457327215000. Its totient is φ = 78291406336.
The previous prime is 199492527863. The next prime is 199492527917. The reversal of 199492527880 is 88725294991.
199492527880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 166005723844 + 33486804036 = 407438^2 + 182994^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47048005 + ... + 47052244.
Almost surely, 2199492527880 is an apocalyptic number.
199492527880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
199492527880 is an abundant number, since it is smaller than the sum of its proper divisors (257834687120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199492527880 is a wasteful number, since it uses less digits than its factorization.
199492527880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94100313 (or 94100309 counting only the distinct ones).
The product of its (nonzero) digits is 26127360, while the sum is 64.
The spelling of 199492527880 in words is "one hundred ninety-nine billion, four hundred ninety-two million, five hundred twenty-seven thousand, eight hundred eighty".
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