Base | Representation |
---|---|
bin | 100111011110010110… |
… | …000111101010110101 |
3 | 11001101212221102210211 |
4 | 213132112013222311 |
5 | 1143301032434242 |
6 | 31245454345421 |
7 | 3030224643154 |
oct | 473626075265 |
9 | 131355842724 |
10 | 42385046197 |
11 | 16a802875aa |
12 | 826a7bb271 |
13 | 3cc62338c0 |
14 | 20a125759b |
15 | 11810a7317 |
hex | 9de587ab5 |
42385046197 has 8 divisors (see below), whose sum is σ = 45716653080. Its totient is φ = 39063613440.
The previous prime is 42385046177. The next prime is 42385046219. The reversal of 42385046197 is 79164058324.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 5351507716 + 37033538481 = 73154^2 + 192441^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42385046197 - 27 = 42385046069 is a prime.
It is a super-2 number, since 2×423850461972 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 42385046197.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42385046147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2534872 + ... + 2551537.
It is an arithmetic number, because the mean of its divisors is an integer number (5714581635).
It is a 1-persistent number, because it is pandigital, but 2⋅42385046197 = 84770092394 is not.
Almost surely, 242385046197 is an apocalyptic number.
It is an amenable number.
42385046197 is a deficient number, since it is larger than the sum of its proper divisors (3331606883).
42385046197 is a wasteful number, since it uses less digits than its factorization.
42385046197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5087063.
The product of its (nonzero) digits is 1451520, while the sum is 49.
The spelling of 42385046197 in words is "forty-two billion, three hundred eighty-five million, forty-six thousand, one hundred ninety-seven".
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