Search a number
-
+
12710138064 = 2431320368811
BaseRepresentation
bin10111101011001010…
…10101000011010000
31012210210100220122020
423311211111003100
5202012243404224
65501114211440
7626653251051
oct136545250320
935723326566
1012710138064
1154325a5938
122568723b80
131277313570
14888074728
154e5c96c79
hex2f59550d0

12710138064 has 40 divisors (see below), whose sum is σ = 35360257632. Its totient is φ = 3910811520.

The previous prime is 12710138053. The next prime is 12710138087. The reversal of 12710138064 is 46083101721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10183782 + ... + 10185029.

Almost surely, 212710138064 is an apocalyptic number.

It is an amenable number.

12710138064 is an abundant number, since it is smaller than the sum of its proper divisors (22650119568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12710138064 is a wasteful number, since it uses less digits than its factorization.

12710138064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368835 (or 20368829 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

Adding to 12710138064 its reverse (46083101721), we get a palindrome (58793239785).

The spelling of 12710138064 in words is "twelve billion, seven hundred ten million, one hundred thirty-eight thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 20368811 40737622 61106433 81475244 122212866 162950488 244425732 264794543 325900976 488851464 529589086 794383629 977702928 1059178172 1588767258 2118356344 3177534516 4236712688 6355069032 12710138064