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188992274404 = 22172779298153
BaseRepresentation
bin1011000000000011010…
…0010011111111100100
3200001211012022021201211
42300000310103333210
511044024010240104
6222453304201204
716440255553363
oct2600064237744
9601735267654
10188992274404
117317323701a
1230765169204
1314a8b91b28b
14920c19d7da
154db1daae04
hex2c00d13fe4

188992274404 has 12 divisors (see below), whose sum is σ = 350191567404. Its totient is φ = 88937540864.

The previous prime is 188992274363. The next prime is 188992274417. The reversal of 188992274404 is 404472299881.

188992274404 is digitally balanced in base 3, 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 2 ways, for example, as 82396554304 + 106595720100 = 287048^2 + 326490^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389649009 + ... + 1389649144.

It is an arithmetic number, because the mean of its divisors is an integer number (29182630617).

Almost surely, 2188992274404 is an apocalyptic number.

It is an amenable number.

188992274404 is a deficient number, since it is larger than the sum of its proper divisors (161199293000).

188992274404 is a wasteful number, since it uses less digits than its factorization.

188992274404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779298174 (or 2779298172 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 188992274404 in words is "one hundred eighty-eight billion, nine hundred ninety-two million, two hundred seventy-four thousand, four hundred four".

Divisors: 1 2 4 17 34 68 2779298153 5558596306 11117192612 47248068601 94496137202 188992274404