Base | Representation |
---|---|
bin | 1101101111110110000011… |
… | …10110100000100111011111 |
3 | 10222001002002112201121001021 |
4 | 12313323001312200213133 |
5 | 12430302030410340221 |
6 | 144144011502025011 |
7 | 6240064054112404 |
oct | 667730166404737 |
9 | 128032075647037 |
10 | 30231232121311 |
11 | 96a5aa2451261 |
12 | 3483022578167 |
13 | 13b3a40183380 |
14 | 7672b13a82ab |
15 | 3765b510a041 |
hex | 1b7ec1da09df |
30231232121311 has 32 divisors (see below), whose sum is σ = 35197734353600. Its totient is φ = 25721572239360.
The previous prime is 30231232121291. The next prime is 30231232121327. The reversal of 30231232121311 is 11312123213203.
It is a cyclic number.
It is not a de Polignac number, because 30231232121311 - 27 = 30231232121183 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231232121411) 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, 379420585 + ... + 379500253.
It is an arithmetic number, because the mean of its divisors is an integer number (1099929198550).
Almost surely, 230231232121311 is an apocalyptic number.
30231232121311 is a deficient number, since it is larger than the sum of its proper divisors (4966502232289).
30231232121311 is a wasteful number, since it uses less digits than its factorization.
30231232121311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121259.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 30231232121311 its reverse (11312123213203), we get a palindrome (41543355334514).
The spelling of 30231232121311 in words is "thirty trillion, two hundred thirty-one billion, two hundred thirty-two million, one hundred twenty-one thousand, three hundred eleven".
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