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30042719159 = 37380543483
BaseRepresentation
bin11011111110101011…
…111000001110110111
32212112201200021001012
4123332223320032313
5443011414003114
621445035422435
72112325620335
oct337653701667
985481607035
1030042719159
1111817371622
1259a52b4a1b
132aaa1a14cb
14164dda8b55
15bac76663e
hex6feaf83b7

30042719159 has 4 divisors (see below), whose sum is σ = 30123263016. Its totient is φ = 29962175304.

The previous prime is 30042719149. The next prime is 30042719191. The reversal of 30042719159 is 95191724003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30042719159 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 (30042719149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40271369 + ... + 40272114.

It is an arithmetic number, because the mean of its divisors is an integer number (7530815754).

Almost surely, 230042719159 is an apocalyptic number.

30042719159 is a deficient number, since it is larger than the sum of its proper divisors (80543857).

30042719159 is an equidigital number, since it uses as much as digits as its factorization.

30042719159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80543856.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 30042719159 in words is "thirty billion, forty-two million, seven hundred nineteen thousand, one hundred fifty-nine".

Divisors: 1 373 80543483 30042719159