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30233213211 = 310077737737
BaseRepresentation
bin11100001010000010…
…100011100100011011
32220001000010100202110
4130022002203210123
5443404200310321
621520002403403
72120131033515
oct341202434433
986030110673
1030233213211
1111904951623
125a39060563
132b0a7aaa96
14166b3d4bb5
15bbe344176
hex70a0a391b

30233213211 has 4 divisors (see below), whose sum is σ = 40310950952. Its totient is φ = 20155475472.

The previous prime is 30233213203. The next prime is 30233213239. The reversal of 30233213211 is 11231233203.

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

It is not a de Polignac number, because 30233213211 - 23 = 30233213203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30233213251) 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, 5038868866 + ... + 5038868871.

It is an arithmetic number, because the mean of its divisors is an integer number (10077737738).

Almost surely, 230233213211 is an apocalyptic number.

30233213211 is a deficient number, since it is larger than the sum of its proper divisors (10077737741).

30233213211 is a wasteful number, since it uses less digits than its factorization.

30233213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077737740.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30233213211 its reverse (11231233203), we get a palindrome (41464446414).

The spelling of 30233213211 in words is "thirty billion, two hundred thirty-three million, two hundred thirteen thousand, two hundred eleven".

Divisors: 1 3 10077737737 30233213211