Search a number
-
+
30112931103 = 338326479901
BaseRepresentation
bin11100000010110111…
…101101110100011111
32212201121210101201120
4130002313231310133
5443132402243403
621500024342023
72114140456023
oct340267556437
985647711646
1030112931103
1111852a67922
125a04914913
132abb8b5638
141659444383
15bb39d4e53
hex702dedd1f

30112931103 has 16 divisors (see below), whose sum is σ = 40274681856. Its totient is φ = 20013285600.

The previous prime is 30112931077. The next prime is 30112931119. The reversal of 30112931103 is 30113921103.

It is not a de Polignac number, because 30112931103 - 28 = 30112930847 is a prime.

It is a super-2 number, since 2×301129311032 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112931143) 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, 3036453 + ... + 3046353.

It is an arithmetic number, because the mean of its divisors is an integer number (2517167616).

Almost surely, 230112931103 is an apocalyptic number.

30112931103 is a deficient number, since it is larger than the sum of its proper divisors (10161750753).

30112931103 is a wasteful number, since it uses less digits than its factorization.

30112931103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12934.

The product of its (nonzero) digits is 486, while the sum is 24.

The spelling of 30112931103 in words is "thirty billion, one hundred twelve million, nine hundred thirty-one thousand, one hundred three".

Divisors: 1 3 383 1149 2647 7941 9901 29703 1013801 3041403 3792083 11376249 26207947 78623841 10037643701 30112931103