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199492527880 = 2355394100249
BaseRepresentation
bin1011100111001010101…
…1100110011100001000
3201001220222101102121201
42321302223212130020
511232030041343010
6231351241113544
720261416336312
oct2716253463410
9631828342551
10199492527880
1177671370958
12327b57888b4
1315a7314c009
1499269427b2
1552c8b3223a
hex2e72ae6708

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".

Divisors: 1 2 4 5 8 10 20 40 53 106 212 265 424 530 1060 2120 94100249 188200498 376400996 470501245 752801992 941002490 1882004980 3764009960 4987313197 9974626394 19949252788 24936565985 39898505576 49873131970 99746263940 199492527880