Base | Representation |
---|---|
bin | 1101101001110010110001… |
… | …10111011010101011001111 |
3 | 10221022012102020221101020222 |
4 | 12310321120313122223033 |
5 | 12413400220423234411 |
6 | 143504304055101555 |
7 | 6216053445013265 |
oct | 664713067325317 |
9 | 127265366841228 |
10 | 30023312321231 |
11 | 96258a7110039 |
12 | 344a8766718bb |
13 | 139a256121478 |
14 | 75b1c9538435 |
15 | 370e9672d4db |
hex | 1b4e58ddaacf |
30023312321231 has 4 divisors (see below), whose sum is σ = 30360652909200. Its totient is φ = 29685971733264.
The previous prime is 30023312321221. The next prime is 30023312321263. The reversal of 30023312321231 is 13212321332003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30023312321231 - 230 = 30022238579407 is a prime.
It is a super-2 number, since 2×300233123212312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30023312321231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30023312321221) 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, 168670293851 + ... + 168670294028.
It is an arithmetic number, because the mean of its divisors is an integer number (7590163227300).
Almost surely, 230023312321231 is an apocalyptic number.
30023312321231 is a deficient number, since it is larger than the sum of its proper divisors (337340587969).
30023312321231 is an equidigital number, since it uses as much as digits as its factorization.
30023312321231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 337340587968.
The product of its (nonzero) digits is 3888, while the sum is 26.
Adding to 30023312321231 its reverse (13212321332003), we get a palindrome (43235633653234).
The spelling of 30023312321231 in words is "thirty trillion, twenty-three billion, three hundred twelve million, three hundred twenty-one thousand, two hundred thirty-one".
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