Base | Representation |
---|---|
bin | 100111001101011011… |
… | …110101000111101001 |
3 | 11000200010002011220200 |
4 | 213031123311013221 |
5 | 1142210420033114 |
6 | 31201401342413 |
7 | 3020211255345 |
oct | 471533650751 |
9 | 130603064820 |
10 | 42101330409 |
11 | 16945115746 |
12 | 81ab797a09 |
13 | 3c7c517b38 |
14 | 20756c2625 |
15 | 1166213409 |
hex | 9cd6f51e9 |
42101330409 has 6 divisors (see below), whose sum is σ = 60813032826. Its totient is φ = 28067553600.
The previous prime is 42101330387. The next prime is 42101330413. The reversal of 42101330409 is 90403310124.
42101330409 is a `hidden beast` number, since 4 + 210 + 13 + 30 + 409 = 666.
It can be written as a sum of positive squares in only one way, i.e., 24689208384 + 17412122025 = 157128^2 + 131955^2 .
It is not a de Polignac number, because 42101330409 - 224 = 42084553193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (42101330209) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2338962792 + ... + 2338962809.
It is an arithmetic number, because the mean of its divisors is an integer number (10135505471).
Almost surely, 242101330409 is an apocalyptic number.
It is an amenable number.
42101330409 is a deficient number, since it is larger than the sum of its proper divisors (18711702417).
42101330409 is a wasteful number, since it uses less digits than its factorization.
42101330409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4677925607 (or 4677925604 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The spelling of 42101330409 in words is "forty-two billion, one hundred one million, three hundred thirty thousand, four hundred nine".
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