Base | Representation |
---|---|
bin | 10010101100011000… |
… | …110000111010111111 |
3 | 1220210212002101112110 |
4 | 102230120300322333 |
5 | 312101420322200 |
6 | 13115421305103 |
7 | 1310255354253 |
oct | 225430607277 |
9 | 56725071473 |
10 | 20072042175 |
11 | 8570165409 |
12 | 3a82105193 |
13 | 1b7b5acb43 |
14 | d85aba263 |
15 | 7c724bb50 |
hex | 4ac630ebf |
20072042175 has 12 divisors (see below), whose sum is σ = 33185776520. Its totient is φ = 10705089120.
The previous prime is 20072042167. The next prime is 20072042269. The reversal of 20072042175 is 57124027002.
It is not a de Polignac number, because 20072042175 - 23 = 20072042167 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133813540 + ... + 133813689.
Almost surely, 220072042175 is an apocalyptic number.
20072042175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20072042175 is a deficient number, since it is larger than the sum of its proper divisors (13113734345).
20072042175 is a wasteful number, since it uses less digits than its factorization.
20072042175 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267627242 (or 267627237 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 30.
Adding to 20072042175 its reverse (57124027002), we get a palindrome (77196069177).
The spelling of 20072042175 in words is "twenty billion, seventy-two million, forty-two thousand, one hundred seventy-five".
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