Base | Representation |
---|---|
bin | 10010101100010110… |
… | …100011000010111011 |
3 | 1220210210222212101100 |
4 | 102230112203002323 |
5 | 312101243223201 |
6 | 13115401022443 |
7 | 1310250414105 |
oct | 225426430273 |
9 | 56723885340 |
10 | 20071461051 |
11 | 856a8a8844 |
12 | 3a81a84a23 |
13 | 1b7b438495 |
14 | d859a8575 |
15 | 7c7184886 |
hex | 4ac5a30bb |
20071461051 has 6 divisors (see below), whose sum is σ = 28992110420. Its totient is φ = 13380974028.
The previous prime is 20071461031. The next prime is 20071461073. The reversal of 20071461051 is 15016417002.
It is a happy number.
It is not a de Polignac number, because 20071461051 - 25 = 20071461019 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20071461031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1115081161 + ... + 1115081178.
Almost surely, 220071461051 is an apocalyptic number.
20071461051 is a deficient number, since it is larger than the sum of its proper divisors (8920649369).
20071461051 is a wasteful number, since it uses less digits than its factorization.
20071461051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2230162345 (or 2230162342 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
Adding to 20071461051 its reverse (15016417002), we get a palindrome (35087878053).
The spelling of 20071461051 in words is "twenty billion, seventy-one million, four hundred sixty-one thousand, fifty-one".
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