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30111330133 = 103292343011
BaseRepresentation
bin11100000010110001…
…100110111101010101
32212201111210001121101
4130002301212331111
5443132000031013
621455530150101
72114121040333
oct340261467525
985644701541
1030111330133
1111852074005
125a04282331
132abb474a11
141659148b53
15bb37ba8dd
hex702c66f55

30111330133 has 4 divisors (see below), whose sum is σ = 30403673248. Its totient is φ = 29818987020.

The previous prime is 30111330101. The next prime is 30111330149. The reversal of 30111330133 is 33103311103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33103311103 = 199166348297.

It is a cyclic number.

It is not a de Polignac number, because 30111330133 - 25 = 30111330101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30111330133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111330433) 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, 146171403 + ... + 146171608.

It is an arithmetic number, because the mean of its divisors is an integer number (7600918312).

Almost surely, 230111330133 is an apocalyptic number.

It is an amenable number.

30111330133 is a deficient number, since it is larger than the sum of its proper divisors (292343115).

30111330133 is a wasteful number, since it uses less digits than its factorization.

30111330133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292343114.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 30111330133 its reverse (33103311103), we get a palindrome (63214641236).

The spelling of 30111330133 in words is "thirty billion, one hundred eleven million, three hundred thirty thousand, one hundred thirty-three".

Divisors: 1 103 292343011 30111330133