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19054445707 = 112349773721
BaseRepresentation
bin10001101111101110…
…111100010010001011
31211011221022010121101
4101233232330102023
5303010414230312
612430430522231
71243121054563
oct215756742213
954157263541
1019054445707
1180988130a0
123839366377
131a4882155b
14cca8abda3
15767c41a57
hex46fbbc48b

19054445707 has 8 divisors (see below), whose sum is σ = 20787834672. Its totient is φ = 17321251200.

The previous prime is 19054445701. The next prime is 19054445731. The reversal of 19054445707 is 70754445091.

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

It is not a de Polignac number, because 19054445707 - 223 = 19046057099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19054445701) 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, 221607 + ... + 295327.

It is an arithmetic number, because the mean of its divisors is an integer number (2598479334).

Almost surely, 219054445707 is an apocalyptic number.

19054445707 is a deficient number, since it is larger than the sum of its proper divisors (1733388965).

19054445707 is a wasteful number, since it uses less digits than its factorization.

19054445707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97229.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 19054445707 in words is "nineteen billion, fifty-four million, four hundred forty-five thousand, seven hundred seven".

Divisors: 1 11 23497 73721 258467 810931 1732222337 19054445707