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30004205511 = 371428771691
BaseRepresentation
bin11011111100011000…
…111101011111000111
32212110001012120020210
4123330120331133013
5442422034034021
621441142130503
72111350352550
oct337430753707
985401176223
1030004205511
11117a7656765
125994420a33
132aa2208377
141648c21327
15ba91a9e76
hex6fc63d7c7

30004205511 has 8 divisors (see below), whose sum is σ = 45720694144. Its totient is φ = 17145260280.

The previous prime is 30004205461. The next prime is 30004205513. The reversal of 30004205511 is 11550240003.

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

It is not a de Polignac number, because 30004205511 - 29 = 30004204999 is a prime.

It is a super-2 number, since 2×300042055112 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1428771691 = 30004205511 / (3 + 0 + 0 + 0 + 4 + 2 + 0 + 5 + 5 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30004205513) 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, 714385825 + ... + 714385866.

It is an arithmetic number, because the mean of its divisors is an integer number (5715086768).

Almost surely, 230004205511 is an apocalyptic number.

30004205511 is a deficient number, since it is larger than the sum of its proper divisors (15716488633).

30004205511 is a wasteful number, since it uses less digits than its factorization.

30004205511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428771701.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 30004205511 its reverse (11550240003), we get a palindrome (41554445514).

The spelling of 30004205511 in words is "thirty billion, four million, two hundred five thousand, five hundred eleven".

Divisors: 1 3 7 21 1428771691 4286315073 10001401837 30004205511