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30031444231102 = 2177112440531993
BaseRepresentation
bin1101101010000001111011…
…00100001100001110111110
310221022222101222120012111001
412311000331210030032332
512414013344210343402
6143512131030120514
76216462120060316
oct665007544141676
9127288358505431
1030031444231102
11962929a394306
123450365ab013a
13139ac50a9b462
1475b75b53c446
153712c05d3187
hex1b503d90c3be

30031444231102 has 16 divisors (see below), whose sum is σ = 48368788392672. Its totient is φ = 13933395831040.

The previous prime is 30031444231097. The next prime is 30031444231109. The reversal of 30031444231102 is 20113244413003.

It is a happy number.

It is a super-3 number, since 3×300314442311023 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031444231109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6220263583 + ... + 6220268410.

It is an arithmetic number, because the mean of its divisors is an integer number (3023049274542).

Almost surely, 230031444231102 is an apocalyptic number.

30031444231102 is a deficient number, since it is larger than the sum of its proper divisors (18337344161570).

30031444231102 is a wasteful number, since it uses less digits than its factorization.

30031444231102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12440532083.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 30031444231102 its reverse (20113244413003), we get a palindrome (50144688644105).

The spelling of 30031444231102 in words is "thirty trillion, thirty-one billion, four hundred forty-four million, two hundred thirty-one thousand, one hundred two".

Divisors: 1 2 17 34 71 142 1207 2414 12440531993 24881063986 211489043881 422978087762 883277771503 1766555543006 15015722115551 30031444231102