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30030121043512 = 237351421440143
BaseRepresentation
bin1101101001111111011101…
…01100101000011000111000
310221022211222202202022100021
412310333232230220120320
512414003141441343022
6143511351441420224
76216414252133462
oct664775654503070
9127284882668307
1030030121043512
119628780499947
12345005693a674
13139aa9c905215
1475b673903132
153712443627c7
hex1b4feeb28638

30030121043512 has 16 divisors (see below), whose sum is σ = 57077798559840. Its totient is φ = 14809374760896.

The previous prime is 30030121043491. The next prime is 30030121043513. The reversal of 30030121043512 is 21534012103003.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030121043513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25710719488 + ... + 25710720655.

It is an arithmetic number, because the mean of its divisors is an integer number (3567362409990).

Almost surely, 230030121043512 is an apocalyptic number.

It is an amenable number.

30030121043512 is a deficient number, since it is larger than the sum of its proper divisors (27047677516328).

30030121043512 is a wasteful number, since it uses less digits than its factorization.

30030121043512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51421440222 (or 51421440218 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 30030121043512 its reverse (21534012103003), we get a palindrome (51564133146515).

The spelling of 30030121043512 in words is "thirty trillion, thirty billion, one hundred twenty-one million, forty-three thousand, five hundred twelve".

Divisors: 1 2 4 8 73 146 292 584 51421440143 102842880286 205685760572 411371521144 3753765130439 7507530260878 15015060521756 30030121043512