Search a number
-
+
30203424111 = 379291548179
BaseRepresentation
bin11100001000010000…
…111010110101101111
32212221221001220210110
4130020100322311233
5443324034032421
621513020111103
72116316604030
oct341020726557
985857056713
1030203424111
111189a055633
125a2b095493
132b0457aab3
14166747ca87
15bbb90ca76
hex70843ad6f

30203424111 has 16 divisors (see below), whose sum is σ = 46073836800. Its totient is φ = 17240510208.

The previous prime is 30203424089. The next prime is 30203424241. The reversal of 30203424111 is 11142430203.

It is not a de Polignac number, because 30203424111 - 26 = 30203424047 is a prime.

It is a super-2 number, since 2×302034241112 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203424311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754581 + ... + 793598.

It is an arithmetic number, because the mean of its divisors is an integer number (2879614800).

Almost surely, 230203424111 is an apocalyptic number.

30203424111 is a deficient number, since it is larger than the sum of its proper divisors (15870412689).

30203424111 is a wasteful number, since it uses less digits than its factorization.

30203424111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549118.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30203424111 its reverse (11142430203), we get a palindrome (41345854314).

The spelling of 30203424111 in words is "thirty billion, two hundred three million, four hundred twenty-four thousand, one hundred eleven".

Divisors: 1 3 7 21 929 2787 6503 19509 1548179 4644537 10837253 32511759 1438258291 4314774873 10067808037 30203424111