Base | Representation |
---|---|
bin | 11100001110011100… |
… | …111001001000110110 |
3 | 2220020011101121110000 |
4 | 130032130321020312 |
5 | 444032122214131 |
6 | 21531205012130 |
7 | 2122020112650 |
oct | 341634711066 |
9 | 86204347400 |
10 | 30307226166 |
11 | 11942703658 |
12 | 5a599b4046 |
13 | 2b1cc23029 |
14 | 167717d6d0 |
15 | bc5ab3ce6 |
hex | 70e739236 |
30307226166 has 80 divisors (see below), whose sum is σ = 77722191360. Its totient is φ = 8646931440.
The previous prime is 30307226143. The next prime is 30307226179. The reversal of 30307226166 is 66162270303.
30307226166 is a `hidden beast` number, since 3 + 0 + 30 + 7 + 2 + 2 + 616 + 6 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 30307226166.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 796761 + ... + 833931.
It is an arithmetic number, because the mean of its divisors is an integer number (971527392).
Almost surely, 230307226166 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30307226166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38861095680).
30307226166 is an abundant number, since it is smaller than the sum of its proper divisors (47414965194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30307226166 is a wasteful number, since it uses less digits than its factorization.
30307226166 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37911 (or 37902 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 36.
Adding to 30307226166 its reverse (66162270303), we get a palindrome (96469496469).
The spelling of 30307226166 in words is "thirty billion, three hundred seven million, two hundred twenty-six thousand, one hundred sixty-six".
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