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19302107053 = 373491494781
BaseRepresentation
bin10001111110011111…
…101100011110101101
31211211012022122002211
4101332133230132231
5304012314411203
612511155050421
71252216126405
oct217637543655
954735278084
1019302107053
118205599799
1238a82a0a11
131a87c25628
14d11739805
1577e862c6d
hex47e7ec7ad

19302107053 has 8 divisors (see below), whose sum is σ = 19880600600. Its totient is φ = 18726603840.

The previous prime is 19302107021. The next prime is 19302107089. The reversal of 19302107053 is 35070120391.

It can be written as a sum of positive squares in 4 ways, for example, as 2340430884 + 16961676169 = 48378^2 + 130237^2 .

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 19302107053 - 25 = 19302107021 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 (19302107093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734478 + ... + 760303.

It is an arithmetic number, because the mean of its divisors is an integer number (2485075075).

Almost surely, 219302107053 is an apocalyptic number.

It is an amenable number.

19302107053 is a deficient number, since it is larger than the sum of its proper divisors (578493547).

19302107053 is a wasteful number, since it uses less digits than its factorization.

19302107053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495167.

The product of its (nonzero) digits is 5670, while the sum is 31.

The spelling of 19302107053 in words is "nineteen billion, three hundred two million, one hundred seven thousand, fifty-three".

Divisors: 1 37 349 12913 1494781 55306897 521678569 19302107053