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30112311003 = 373149922813
BaseRepresentation
bin11100000010110101…
…010110011011011011
32212201120121220002220
4130002311112123123
5443132222423003
621500003155123
72114132264115
oct340265263333
985646556086
1030112311003
1111852683a45
125a04675aa3
132abb729308
1416593223b5
15bb3911353
hex702d566db

30112311003 has 16 divisors (see below), whose sum is σ = 40972941600. Its totient is φ = 19666969344.

The previous prime is 30112310989. The next prime is 30112311011. The reversal of 30112311003 is 30011321103.

It is not a de Polignac number, because 30112311003 - 29 = 30112310491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30112311013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428776 + ... + 494037.

It is an arithmetic number, because the mean of its divisors is an integer number (2560808850).

Almost surely, 230112311003 is an apocalyptic number.

30112311003 is a deficient number, since it is larger than the sum of its proper divisors (10860630597).

30112311003 is a wasteful number, since it uses less digits than its factorization.

30112311003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923038.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30112311003 its reverse (30011321103), we get a palindrome (60123632106).

The spelling of 30112311003 in words is "thirty billion, one hundred twelve million, three hundred eleven thousand, three".

Divisors: 1 3 73 149 219 447 10877 32631 922813 2768439 67365349 137499137 202096047 412497411 10037437001 30112311003