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30315033211 = 142921214159
BaseRepresentation
bin11100001110111010…
…101011001001111011
32220020201002020200211
4130032322223021323
5444041122030321
621532044211551
72122143350011
oct341672531173
986221066624
1030315033211
1111947056161
125a60539bb7
132b21727698
1416782128b1
15bc66070e1
hex70eeab27b

30315033211 has 4 divisors (see below), whose sum is σ = 30336248800. Its totient is φ = 30293817624.

The previous prime is 30315033179. The next prime is 30315033241. The reversal of 30315033211 is 11233051303.

It is a happy number.

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 30315033211 - 25 = 30315033179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30315033241) 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, 10605651 + ... + 10608508.

It is an arithmetic number, because the mean of its divisors is an integer number (7584062200).

Almost surely, 230315033211 is an apocalyptic number.

30315033211 is a deficient number, since it is larger than the sum of its proper divisors (21215589).

30315033211 is a wasteful number, since it uses less digits than its factorization.

30315033211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21215588.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 30315033211 its reverse (11233051303), we get a palindrome (41548084514).

The spelling of 30315033211 in words is "thirty billion, three hundred fifteen million, thirty-three thousand, two hundred eleven".

Divisors: 1 1429 21214159 30315033211