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8668001719 = 132291768619
BaseRepresentation
bin10000001001010011…
…10011010110110111
3211101002101002222201
420010221303112313
5120223002023334
63552041205331
7424541541016
oct100451632667
924332332881
108668001719
113748951a93
12181aa90847
13a81a5ab00
145c32b2a7d
1535ae9bc14
hex204a735b7

8668001719 has 12 divisors (see below), whose sum is σ = 9709723800. Its totient is φ = 7725323424.

The previous prime is 8668001711. The next prime is 8668001731. The reversal of 8668001719 is 9171008668.

8668001719 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 not a de Polignac number, because 8668001719 - 23 = 8668001711 is a prime.

It is a super-2 number, since 2×86680017192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668001711) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 879409 + ... + 889210.

It is an arithmetic number, because the mean of its divisors is an integer number (809143650).

Almost surely, 28668001719 is an apocalyptic number.

8668001719 is a deficient number, since it is larger than the sum of its proper divisors (1041722081).

8668001719 is a wasteful number, since it uses less digits than its factorization.

8668001719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768674 (or 1768661 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 8668001719 is about 93102.1037302595. The cubic root of 8668001719 is about 2054.1855170790.

The spelling of 8668001719 in words is "eight billion, six hundred sixty-eight million, one thousand, seven hundred nineteen".

Divisors: 1 13 29 169 377 4901 1768619 22992047 51289951 298896611 666769363 8668001719