Search a number
-
+
30111122201 = 239125987959
BaseRepresentation
bin11100000010110000…
…110100001100011001
32212201111101111101012
4130002300310030121
5443131421402301
621455521503305
72114116213166
oct340260641431
985644344335
1030111122201
1111851a41866
125a041a1b35
132abb401194
1416590d306d
15bb3778ebb
hex702c34319

30111122201 has 4 divisors (see below), whose sum is σ = 30237110400. Its totient is φ = 29985134004.

The previous prime is 30111122191. The next prime is 30111122219. The reversal of 30111122201 is 10222111103.

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 30111122201 - 210 = 30111121177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30111127201) 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, 62993741 + ... + 62994218.

It is an arithmetic number, because the mean of its divisors is an integer number (7559277600).

Almost surely, 230111122201 is an apocalyptic number.

It is an amenable number.

30111122201 is a deficient number, since it is larger than the sum of its proper divisors (125988199).

30111122201 is a wasteful number, since it uses less digits than its factorization.

30111122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125988198.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 30111122201 its reverse (10222111103), we get a palindrome (40333233304).

The spelling of 30111122201 in words is "thirty billion, one hundred eleven million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 239 125987959 30111122201