Base | Representation |
---|---|
bin | 1101101100110111001100… |
… | …00010100110010101010010 |
3 | 10221200021121002110021111120 |
4 | 12312123212002212111102 |
5 | 12422112200033230442 |
6 | 144024543350023110 |
7 | 6226505521660011 |
oct | 666334602462522 |
9 | 127607532407446 |
10 | 30128760055122 |
11 | 9666598661253 |
12 | 34671a4947a96 |
13 | 13a718c474b91 |
14 | 76234dcc8a78 |
15 | 373ab8d614ec |
hex | 1b66e60a6552 |
30128760055122 has 8 divisors (see below), whose sum is σ = 60257520110256. Its totient is φ = 10042920018372.
The previous prime is 30128760055111. The next prime is 30128760055123. The reversal of 30128760055122 is 22155006782103.
It is a sphenic number, since it is the product of 3 distinct primes.
30128760055122 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (30128760055123) 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, 2510730004588 + ... + 2510730004599.
It is an arithmetic number, because the mean of its divisors is an integer number (7532190013782).
Almost surely, 230128760055122 is an apocalyptic number.
30128760055122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30128760055122 is a wasteful number, since it uses less digits than its factorization.
30128760055122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5021460009192.
The product of its (nonzero) digits is 201600, while the sum is 42.
The spelling of 30128760055122 in words is "thirty trillion, one hundred twenty-eight billion, seven hundred sixty million, fifty-five thousand, one hundred twenty-two".
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