Base | Representation |
---|---|
bin | 111101110111110011… |
… | …001011100111001000 |
3 | 20100110221001221211200 |
4 | 331313303023213020 |
5 | 2042024202240143 |
6 | 50304120024200 |
7 | 4541210132151 |
oct | 756763134710 |
9 | 210427057750 |
10 | 66434415048 |
11 | 261a154a351 |
12 | 10a60902060 |
13 | 6359826c81 |
14 | 3303264928 |
15 | 1adc59b1d3 |
hex | f77ccb9c8 |
66434415048 has 48 divisors (see below), whose sum is σ = 181221003600. Its totient is φ = 21985486560.
The previous prime is 66434415043. The next prime is 66434415049. The reversal of 66434415048 is 84051443466.
66434415048 is a `hidden beast` number, since 66 + 43 + 4 + 41 + 504 + 8 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 66434414994 and 66434415012.
It is not an unprimeable number, because it can be changed into a prime (66434415043) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3309058 + ... + 3329073.
It is an arithmetic number, because the mean of its divisors is an integer number (3775437575).
Almost surely, 266434415048 is an apocalyptic number.
It is an amenable number.
66434415048 is an abundant number, since it is smaller than the sum of its proper divisors (114786588552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66434415048 is a wasteful number, since it uses less digits than its factorization.
66434415048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6638282 (or 6638275 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 45.
The spelling of 66434415048 in words is "sixty-six billion, four hundred thirty-four million, four hundred fifteen thousand, forty-eight".
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