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30012123203321 = 76797808181637
BaseRepresentation
bin1101101001011101111011…
…11100010100011011111001
310221021010112110122022000112
412310232331330110123321
512413204312020001241
6143455213513314105
76215206251045260
oct664567574243371
9127233473568015
1030012123203321
119621085152156
123448673405935
131399191c7ca3c
1475a8474b95d7
15370a3e2841eb
hex1b4bbdf146f9

30012123203321 has 32 divisors (see below), whose sum is σ = 35175167822592. Its totient is φ = 25076071342080.

The previous prime is 30012123203311. The next prime is 30012123203333. The reversal of 30012123203321 is 12330232121003.

It is a cyclic number.

It is not a de Polignac number, because 30012123203321 - 214 = 30012123186937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30012123203311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367588115 + ... + 367669751.

It is an arithmetic number, because the mean of its divisors is an integer number (1099223994456).

Almost surely, 230012123203321 is an apocalyptic number.

It is an amenable number.

30012123203321 is a deficient number, since it is larger than the sum of its proper divisors (5163044619271).

30012123203321 is an equidigital number, since it uses as much as digits as its factorization.

30012123203321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89889.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30012123203321 its reverse (12330232121003), we get a palindrome (42342355324324).

The spelling of 30012123203321 in words is "thirty trillion, twelve billion, one hundred twenty-three million, two hundred three thousand, three hundred twenty-one".

Divisors: 1 7 67 97 469 679 6499 8081 45493 56567 81637 541427 571459 783857 3789989 5469679 5486999 7918789 38287753 52518419 55431523 367628933 530558863 659708597 3713912041 4617960179 44200475999 63991733909 309403331993 447942137363 4287446171903 30012123203321