Search a number
-
+
30504205343 = 51283594821
BaseRepresentation
bin11100011010001100…
…010011110000011111
32220201220001012002002
4130122030103300133
5444433034032333
622002522552515
72126631316163
oct343214236037
986656035062
1030504205343
1111a33912a67
125ab396873b
132b51990361
1416953b6ca3
15bd80230e8
hex71a313c1f

30504205343 has 4 divisors (see below), whose sum is σ = 30504851448. Its totient is φ = 30503559240.

The previous prime is 30504205337. The next prime is 30504205387. The reversal of 30504205343 is 34350240503.

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

It is a cyclic number.

It is not a de Polignac number, because 30504205343 - 24 = 30504205327 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 (30504205393) 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, 246128 + ... + 348693.

It is an arithmetic number, because the mean of its divisors is an integer number (7626212862).

Almost surely, 230504205343 is an apocalyptic number.

30504205343 is a deficient number, since it is larger than the sum of its proper divisors (646105).

30504205343 is an equidigital number, since it uses as much as digits as its factorization.

30504205343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646104.

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 30504205343 its reverse (34350240503), we get a palindrome (64854445846).

The spelling of 30504205343 in words is "thirty billion, five hundred four million, two hundred five thousand, three hundred forty-three".

Divisors: 1 51283 594821 30504205343