Base | Representation |
---|---|
bin | 1101110100111010001001… |
… | …01001101001000110101100 |
3 | 10222122201012102111121021111 |
4 | 12322131010221221012230 |
5 | 12441124400131132330 |
6 | 144355545002441404 |
7 | 6255463553256625 |
oct | 672350451510654 |
9 | 128581172447244 |
10 | 30405225255340 |
11 | 9762868aa30a1 |
12 | 34b08a0503264 |
13 | 13c727b496950 |
14 | 7718994c8a4c |
15 | 37ad9a2c132a |
hex | 1ba744a691ac |
30405225255340 has 96 divisors (see below), whose sum is σ = 69117952579200. Its totient is φ = 11168541812736.
The previous prime is 30405225255331. The next prime is 30405225255451. The reversal of 30405225255340 is 4355252250403.
It is a junction number, because it is equal to n+sod(n) for n = 30405225255293 and 30405225255302.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401102322 + ... + 401178118.
It is an arithmetic number, because the mean of its divisors is an integer number (719978672700).
Almost surely, 230405225255340 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30405225255340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34558976289600).
30405225255340 is an abundant number, since it is smaller than the sum of its proper divisors (38712727323860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30405225255340 is a wasteful number, since it uses less digits than its factorization.
30405225255340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83771 (or 83769 counting only the distinct ones).
The product of its (nonzero) digits is 720000, while the sum is 40.
The spelling of 30405225255340 in words is "thirty trillion, four hundred five billion, two hundred twenty-five million, two hundred fifty-five thousand, three hundred forty".
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