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30839419009 = 731114166017
BaseRepresentation
bin11100101110001011…
…000011000010000001
32221121020210210210001
4130232023003002001
51001124342402014
622100055440001
72141141510410
oct345613030201
987536723701
1030839419009
1112096058a53
125b88086001
132ba626a239
1416c7b15477
15c0768a974
hex72e2c3081

30839419009 has 8 divisors (see below), whose sum is σ = 35358380928. Its totient is φ = 26348789760.

The previous prime is 30839418959. The next prime is 30839419019. The reversal of 30839419009 is 90091493803.

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 30839419009 - 211 = 30839416961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30839419009.

It is not an unprimeable number, because it can be changed into a prime (30839419019) 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, 7080832 + ... + 7085185.

It is an arithmetic number, because the mean of its divisors is an integer number (4419797616).

Almost surely, 230839419009 is an apocalyptic number.

It is an amenable number.

30839419009 is a deficient number, since it is larger than the sum of its proper divisors (4518961919).

30839419009 is a wasteful number, since it uses less digits than its factorization.

30839419009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14166335.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 30839419009 in words is "thirty billion, eight hundred thirty-nine million, four hundred nineteen thousand, nine".

Divisors: 1 7 311 2177 14166017 99162119 4405631287 30839419009