Base | Representation |
---|---|
bin | 1101111001001010001010… |
… | …00110010101011100011100 |
3 | 11000011200010221202212102202 |
4 | 12330211011012111130130 |
5 | 13001022440441240202 |
6 | 144551020021511032 |
7 | 6302153513260232 |
oct | 674450506253434 |
9 | 130150127685382 |
10 | 30551261665052 |
11 | 9809798816197 |
12 | 3515057872478 |
13 | 1407c82831cbb |
14 | 7789906c2952 |
15 | 37ea95e1d802 |
hex | 1bc94519571c |
30551261665052 has 6 divisors (see below), whose sum is σ = 53464707913848. Its totient is φ = 15275630832524.
The previous prime is 30551261665051. The next prime is 30551261665081. The reversal of 30551261665052 is 25056616215503.
It is a junction number, because it is equal to n+sod(n) for n = 30551261664988 and 30551261665006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30551261665051) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3818907708128 + ... + 3818907708135.
It is an arithmetic number, because the mean of its divisors is an integer number (8910784652308).
Almost surely, 230551261665052 is an apocalyptic number.
It is an amenable number.
30551261665052 is a deficient number, since it is larger than the sum of its proper divisors (22913446248796).
30551261665052 is a wasteful number, since it uses less digits than its factorization.
30551261665052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7637815416267 (or 7637815416265 counting only the distinct ones).
The product of its (nonzero) digits is 1620000, while the sum is 47.
The spelling of 30551261665052 in words is "thirty trillion, five hundred fifty-one billion, two hundred sixty-one million, six hundred sixty-five thousand, fifty-two".
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