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21271060714 = 2109538118133
BaseRepresentation
bin10011110011110110…
…101010000011101010
32000220102020211202111
4103303312222003222
5322030342420324
613434412352534
71352055014161
oct236366520352
960812224674
1021271060714
119025a60822
12415777574a
13200cb1c677
14105b0323d8
15847641794
hex4f3daa0ea

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".

Divisors: 1 2 109 218 5381 10762 18133 36266 586529 1173058 1976497 3952994 97573673 195147346 10635530357 21271060714