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19427601835 = 59740056911
BaseRepresentation
bin10010000101111110…
…011010110110101011
31212010221110102120201
4102011332122312223
5304241431224320
612531440533031
71255301614405
oct220576326653
955127412521
1019427601835
11826a413894
123922321177
131aa7c245b5
14d24285b75
1578a8a170a
hex485f9adab

19427601835 has 8 divisors (see below), whose sum is σ = 23553464256. Its totient is φ = 15381853440.

The previous prime is 19427601773. The next prime is 19427601871. The reversal of 19427601835 is 53810672491.

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

It is not a de Polignac number, because 19427601835 - 211 = 19427599787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20027971 + ... + 20028940.

It is an arithmetic number, because the mean of its divisors is an integer number (2944183032).

It is a 1-persistent number, because it is pandigital, but 2⋅19427601835 = 38855203670 is not.

Almost surely, 219427601835 is an apocalyptic number.

19427601835 is a deficient number, since it is larger than the sum of its proper divisors (4125862421).

19427601835 is an equidigital number, since it uses as much as digits as its factorization.

19427601835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40057013.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 19427601835 in words is "nineteen billion, four hundred twenty-seven million, six hundred one thousand, eight hundred thirty-five".

Divisors: 1 5 97 485 40056911 200284555 3885520367 19427601835