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30111101 = 82336587
BaseRepresentation
bin111001011011…
…1010101111101
32002122210122222
41302313111331
530202023401
62553215125
7513640316
oct162672575
962583588
1030111101
1115aa6a09
12a1014a5
136313727
143ddb60d
15299bc1b
hex1cb757d

30111101 has 4 divisors (see below), whose sum is σ = 30148512. Its totient is φ = 30073692.

The previous prime is 30111091. The next prime is 30111121. The reversal of 30111101 is 10111103.

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.

It is a cyclic number.

It is not a de Polignac number, because 30111101 - 214 = 30094717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17471 + ... + 19116.

It is an arithmetic number, because the mean of its divisors is an integer number (7537128).

Almost surely, 230111101 is an apocalyptic number.

It is an amenable number.

30111101 is a deficient number, since it is larger than the sum of its proper divisors (37411).

30111101 is an equidigital number, since it uses as much as digits as its factorization.

30111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37410.

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 30111101 is about 5487.3582897420. The cubic root of 30111101 is about 311.1063521050.

Adding to 30111101 its reverse (10111103), we get a palindrome (40222204).

The spelling of 30111101 in words is "thirty million, one hundred eleven thousand, one hundred one".

Divisors: 1 823 36587 30111101