Base | Representation |
---|---|
bin | 100010111111011010… |
… | …1010011001010000001 |
3 | 21011221210120122112121 |
4 | 1011332311103022001 |
5 | 2212342420022340 |
6 | 54304145124241 |
7 | 5300045253064 |
oct | 1057665231201 |
9 | 234853518477 |
10 | 75142345345 |
11 | 2995a993261 |
12 | 12691029681 |
13 | 7116924c52 |
14 | 38cb96c8db |
15 | 1e4bcd394a |
hex | 117ed53281 |
75142345345 has 8 divisors (see below), whose sum is σ = 90416513664. Its totient is φ = 59950076784.
The previous prime is 75142345309. The next prime is 75142345349. The reversal of 75142345345 is 54354324157.
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 75142345345 - 221 = 75140248193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75142345349) 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, 20472919 + ... + 20476588.
It is an arithmetic number, because the mean of its divisors is an integer number (11302064208).
Almost surely, 275142345345 is an apocalyptic number.
It is an amenable number.
75142345345 is a deficient number, since it is larger than the sum of its proper divisors (15274168319).
75142345345 is a wasteful number, since it uses less digits than its factorization.
75142345345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40949879.
The product of its digits is 1008000, while the sum is 43.
The spelling of 75142345345 in words is "seventy-five billion, one hundred forty-two million, three hundred forty-five thousand, three hundred forty-five".
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