Base | Representation |
---|---|
bin | 1101101111110101110110… |
… | …01100000110010010011000 |
3 | 10222001001210202101112002011 |
4 | 12313322323030012102120 |
5 | 12430301313301340440 |
6 | 144143552430115304 |
7 | 6240061226021620 |
oct | 667727314062230 |
9 | 128031722345064 |
10 | 30231120340120 |
11 | 96a5a45343407 |
12 | 3482bb104bb34 |
13 | 13b3a22c7635b |
14 | 7672a05cb880 |
15 | 3765aa3c99ea |
hex | 1b7ebb306498 |
30231120340120 has 32 divisors (see below), whose sum is σ = 77737166589600. Its totient is φ = 10364955545088.
The previous prime is 30231120340087. The next prime is 30231120340129. The reversal of 30231120340120 is 2104302113203.
It is a super-2 number, since 2×302311203401202 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30231120340091 and 30231120340100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231120340129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53984143185 + ... + 53984143744.
It is an arithmetic number, because the mean of its divisors is an integer number (2429286455925).
Almost surely, 230231120340120 is an apocalyptic number.
It is an amenable number.
30231120340120 is an abundant number, since it is smaller than the sum of its proper divisors (47506046249480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231120340120 is a wasteful number, since it uses less digits than its factorization.
30231120340120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107968286947 (or 107968286943 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 30231120340120 its reverse (2104302113203), we get a palindrome (32335422453323).
The spelling of 30231120340120 in words is "thirty trillion, two hundred thirty-one billion, one hundred twenty million, three hundred forty thousand, one hundred twenty".
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