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30121134422124 = 223137145912557819
BaseRepresentation
bin1101101100101000111111…
…00001000111100001101100
310221122112220122110222120210
412312110133201013201230
512422001040403001444
6144021242542142420
76226115535111564
oct666243741074154
9127575818428523
1030121134422124
119663335141319
123465816b81a10
1313a6545669cc5
14761c29231da4
153737be6647b9
hex1b651f84786c

30121134422124 has 48 divisors (see below), whose sum is σ = 70844188060800. Its totient is φ = 9960258462336.

The previous prime is 30121134422089. The next prime is 30121134422143. The reversal of 30121134422124 is 42122443112103.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30121134422091 and 30121134422100.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3880314 + ... + 8677505.

It is an arithmetic number, because the mean of its divisors is an integer number (1475920584600).

Almost surely, 230121134422124 is an apocalyptic number.

It is an amenable number.

30121134422124 is an abundant number, since it is smaller than the sum of its proper divisors (40723053638676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30121134422124 is a wasteful number, since it uses less digits than its factorization.

30121134422124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12559422 (or 12559420 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 30121134422124 its reverse (42122443112103), we get a palindrome (72243577534227).

The spelling of 30121134422124 in words is "thirty trillion, one hundred twenty-one billion, one hundred thirty-four million, four hundred twenty-two thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1459 1644 2918 4377 5836 8754 17508 199883 399766 599649 799532 1199298 2398596 12557819 25115638 37673457 50231276 75346914 150693828 1720421203 3440842406 5161263609 6881684812 10322527218 18321857921 20645054436 36643715842 54965573763 73287431684 109931147526 219862295052 2510094535177 5020189070354 7530283605531 10040378140708 15060567211062 30121134422124