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8728196243 = 133132145047
BaseRepresentation
bin10000010000011110…
…11011010010010011
3211112021122022100112
420020033123102103
5120333404234433
64002031311535
7426202305164
oct101017332223
924467568315
108728196243
113779926028
12183707b5ab
13a91375480
145cb2a176b
153613dc348
hex2083db493

8728196243 has 8 divisors (see below), whose sum is σ = 9429631008. Its totient is φ = 8031052224.

The previous prime is 8728196233. The next prime is 8728196251. The reversal of 8728196243 is 3426918278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8728196243 - 210 = 8728195219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8728196191 and 8728196200.

It is not an unprimeable number, because it can be changed into a prime (8728196203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068455 + ... + 1076592.

It is an arithmetic number, because the mean of its divisors is an integer number (1178703876).

Almost surely, 28728196243 is an apocalyptic number.

8728196243 is a deficient number, since it is larger than the sum of its proper divisors (701434765).

8728196243 is a wasteful number, since it uses less digits than its factorization.

8728196243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145373.

The product of its digits is 1161216, while the sum is 50.

The square root of 8728196243 is about 93424.8159912558. The cubic root of 8728196243 is about 2058.9296166520.

The spelling of 8728196243 in words is "eight billion, seven hundred twenty-eight million, one hundred ninety-six thousand, two hundred forty-three".

Divisors: 1 13 313 4069 2145047 27885611 671399711 8728196243