Base | Representation |
---|---|
bin | 10011010010101011… |
… | …111010011101001011 |
3 | 1222110122011111220121 |
4 | 103102223322131023 |
5 | 314410414034141 |
6 | 13303253404111 |
7 | 1332220106443 |
oct | 232253723513 |
9 | 58418144817 |
10 | 20714596171 |
11 | 886a938775 |
12 | 4021339637 |
13 | 1c517578c9 |
14 | 100717d123 |
15 | 8138731d1 |
hex | 4d2afa74b |
20714596171 has 4 divisors (see below), whose sum is σ = 20846536432. Its totient is φ = 20582655912.
The previous prime is 20714596141. The next prime is 20714596229. The reversal of 20714596171 is 17169541702.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17169541702 = 2 ⋅8584770851.
It is a cyclic number.
It is not a de Polignac number, because 20714596171 - 25 = 20714596139 is a prime.
It is a super-2 number, since 2×207145961712 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20714596141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65969895 + ... + 65970208.
It is an arithmetic number, because the mean of its divisors is an integer number (5211634108).
Almost surely, 220714596171 is an apocalyptic number.
20714596171 is a deficient number, since it is larger than the sum of its proper divisors (131940261).
20714596171 is a wasteful number, since it uses less digits than its factorization.
20714596171 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131940260.
The product of its (nonzero) digits is 105840, while the sum is 43.
The spelling of 20714596171 in words is "twenty billion, seven hundred fourteen million, five hundred ninety-six thousand, one hundred seventy-one".
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