Base | Representation |
---|---|
bin | 10011110011110110… |
… | …101010000011101010 |
3 | 2000220102020211202111 |
4 | 103303312222003222 |
5 | 322030342420324 |
6 | 13434412352534 |
7 | 1352055014161 |
oct | 236366520352 |
9 | 60812224674 |
10 | 21271060714 |
11 | 9025a60822 |
12 | 415777574a |
13 | 200cb1c677 |
14 | 105b0323d8 |
15 | 847641794 |
hex | 4f3daa0ea |
21271060714 has 16 divisors (see below), whose sum is σ = 32207072040. Its totient is φ = 10535417280.
The previous prime is 21271060687. The next prime is 21271060771. The reversal of 21271060714 is 41706017212.
It can be written as a sum of positive squares in 4 ways, for example, as 17653639689 + 3617421025 = 132867^2 + 60145^2 .
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 7 ways as a sum of consecutive naturals, for example, 1163992 + ... + 1182124.
Almost surely, 221271060714 is an apocalyptic number.
21271060714 is a deficient number, since it is larger than the sum of its proper divisors (10936011326).
21271060714 is a wasteful number, since it uses less digits than its factorization.
21271060714 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23625.
The product of its (nonzero) digits is 4704, while the sum is 31.
Adding to 21271060714 its reverse (41706017212), we get a palindrome (62977077926).
The spelling of 21271060714 in words is "twenty-one billion, two hundred seventy-one million, sixty thousand, seven hundred fourteen".
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