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19069069613 = 111733551783
BaseRepresentation
bin10001110000100110…
…101110100100101101
31211012221211002211112
4101300212232210231
5303023140211423
612432112201405
71243356263066
oct216046564455
954187732745
1019069069613
1180a5aa1270
123842239265
131a4b871959
14ccc7d756d
1576917ea78
hex4709ae92d

19069069613 has 4 divisors (see below), whose sum is σ = 20802621408. Its totient is φ = 17335517820.

The previous prime is 19069069573. The next prime is 19069069631. The reversal of 19069069613 is 31696096091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31696096091 = 112881463281.

It is a cyclic number.

It is not a de Polignac number, because 19069069613 - 228 = 18800634157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19069069673) 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 3 ways as a sum of consecutive naturals, for example, 866775881 + ... + 866775902.

It is an arithmetic number, because the mean of its divisors is an integer number (5200655352).

Almost surely, 219069069613 is an apocalyptic number.

It is an amenable number.

19069069613 is a deficient number, since it is larger than the sum of its proper divisors (1733551795).

19069069613 is a wasteful number, since it uses less digits than its factorization.

19069069613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733551794.

The product of its (nonzero) digits is 472392, while the sum is 50.

The spelling of 19069069613 in words is "nineteen billion, sixty-nine million, sixty-nine thousand, six hundred thirteen".

Divisors: 1 11 1733551783 19069069613