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19368389073 = 311586920881
BaseRepresentation
bin10010000010011100…
…100010100111010001
31211222211001002221110
4102002130202213101
5304131301422243
612521523443533
71253652406425
oct220234424721
954884032843
1019368389073
118239a50420
1239065265a9
131a98891a67
14d1a470b85
157855a6e33
hex4827229d1

19368389073 has 8 divisors (see below), whose sum is σ = 28172202336. Its totient is φ = 11738417600.

The previous prime is 19368389063. The next prime is 19368389077. The reversal of 19368389073 is 37098386391.

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

It is a cyclic number.

It is not a de Polignac number, because 19368389073 - 24 = 19368389057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19368389077) 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, 293460408 + ... + 293460473.

It is an arithmetic number, because the mean of its divisors is an integer number (3521525292).

Almost surely, 219368389073 is an apocalyptic number.

It is an amenable number.

19368389073 is a deficient number, since it is larger than the sum of its proper divisors (8803813263).

19368389073 is a wasteful number, since it uses less digits than its factorization.

19368389073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586920895.

The product of its (nonzero) digits is 5878656, while the sum is 57.

The spelling of 19368389073 in words is "nineteen billion, three hundred sixty-eight million, three hundred eighty-nine thousand, seventy-three".

Divisors: 1 3 11 33 586920881 1760762643 6456129691 19368389073