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8638310196 = 2232435755073
BaseRepresentation
bin10000000101110001…
…00010011100110100
3211022000111121212200
420002320202130310
5120142401411241
63545100544500
7424031265555
oct100270423464
924260447780
108638310196
11373311233a
121810b52130
13a78863369
145bd38432c
153585844b6
hex202e22734

8638310196 has 36 divisors (see below), whose sum is σ = 21841136772. Its totient is φ = 2878723584.

The previous prime is 8638310171. The next prime is 8638310209. The reversal of 8638310196 is 6910138368.

It is a happy number.

8638310196 is a `hidden beast` number, since 8 + 638 + 3 + 1 + 0 + 1 + 9 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8482410000 + 155900196 = 92100^2 + 12486^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129316 + ... + 184388.

Almost surely, 28638310196 is an apocalyptic number.

It is an amenable number.

8638310196 is an abundant number, since it is smaller than the sum of its proper divisors (13202826576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8638310196 is a wasteful number, since it uses less digits than its factorization.

8638310196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59440 (or 59435 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 8638310196 is about 92942.5101662313. The cubic root of 8638310196 is about 2051.8373530217.

The spelling of 8638310196 in words is "eight billion, six hundred thirty-eight million, three hundred ten thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 4357 8714 13071 17428 26142 39213 52284 55073 78426 110146 156852 165219 220292 330438 495657 660876 991314 1982628 239953061 479906122 719859183 959812244 1439718366 2159577549 2879436732 4319155098 8638310196