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189682803468 = 22325268966763
BaseRepresentation
bin1011000010100111111…
…0011110001100001100
3200010121022122210112100
42300221332132030030
511101432244202333
6223050012435100
716463342140554
oct2605176361414
9603538583470
10189682803468
1173497aa77a4
1230918478a90
1314b6b9c2862
149275b90164
154e0280c213
hex2c29f9e30c

189682803468 has 18 divisors (see below), whose sum is σ = 479475975524. Its totient is φ = 63227601144.

The previous prime is 189682803421. The next prime is 189682803487. The reversal of 189682803468 is 864308286981.

189682803468 is a `hidden beast` number, since 1 + 8 + 9 + 6 + 8 + 280 + 346 + 8 = 666.

189682803468 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 2634483346 + ... + 2634483417.

Almost surely, 2189682803468 is an apocalyptic number.

189682803468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

189682803468 is an abundant number, since it is smaller than the sum of its proper divisors (289793172056).

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

189682803468 is a wasteful number, since it uses less digits than its factorization.

189682803468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268966773 (or 5268966768 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 63.

The spelling of 189682803468 in words is "one hundred eighty-nine billion, six hundred eighty-two million, eight hundred three thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 5268966763 10537933526 15806900289 21075867052 31613800578 47420700867 63227601156 94841401734 189682803468