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30111220214 = 215055610107
BaseRepresentation
bin11100000010110001…
…001100000111110110
32212201111120110211022
4130002301030013312
5443131433021324
621455523541142
72114120102015
oct340261140766
985644513738
1030111220214
1111851aa9469
125a0422a7b2
132abb43698a
14165911aa7c
15bb379805e
hex702c4c1f6

30111220214 has 4 divisors (see below), whose sum is σ = 45166830324. Its totient is φ = 15055610106.

The previous prime is 30111220189. The next prime is 30111220241. The reversal of 30111220214 is 41202211103.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30111220192 and 30111220201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7527805052 + ... + 7527805055.

It is an arithmetic number, because the mean of its divisors is an integer number (11291707581).

Almost surely, 230111220214 is an apocalyptic number.

30111220214 is a deficient number, since it is larger than the sum of its proper divisors (15055610110).

30111220214 is a wasteful number, since it uses less digits than its factorization.

30111220214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15055610109.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 30111220214 its reverse (41202211103), we get a palindrome (71313431317).

The spelling of 30111220214 in words is "thirty billion, one hundred eleven million, two hundred twenty thousand, two hundred fourteen".

Divisors: 1 2 15055610107 30111220214