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19073392669 = 54156961961
BaseRepresentation
bin10001110000110111…
…001110000000011101
31211020020221201221201
4101300313032000131
5303030242031134
612432344555501
71243441106542
oct216067160035
954206851851
1019073392669
1180a8484241
123843782b91
131a4c726586
14ccd200bc9
15769735914
hex470dce01d

19073392669 has 8 divisors (see below), whose sum is σ = 19142540280. Its totient is φ = 19004371200.

The previous prime is 19073392651. The next prime is 19073392693. The reversal of 19073392669 is 96629337091.

It can be written as a sum of positive squares in 4 ways, for example, as 2523856644 + 16549536025 = 50238^2 + 128645^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19073392669 is a prime.

It is a super-2 number, since 2×190733926692 (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 (19073392699) 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, 276849 + ... + 338809.

It is an arithmetic number, because the mean of its divisors is an integer number (2392817535).

Almost surely, 219073392669 is an apocalyptic number.

It is an amenable number.

19073392669 is a deficient number, since it is larger than the sum of its proper divisors (69147611).

19073392669 is an equidigital number, since it uses as much as digits as its factorization.

19073392669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63071.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The spelling of 19073392669 in words is "nineteen billion, seventy-three million, three hundred ninety-two thousand, six hundred sixty-nine".

Divisors: 1 541 569 61961 307829 33520901 35255809 19073392669