Search a number
-
+
13012320211 = 112297017369
BaseRepresentation
bin11000001111001100…
…00011111111010011
31020120211222100121121
430013212003333103
5203122123221321
65551111103111
7640312616422
oct140746037723
936524870547
1013012320211
11557812a850
122631971a97
1312c4ac6677
148b62552b9
15512587441
hex307983fd3

13012320211 has 16 divisors (see below), whose sum is σ = 14279522400. Its totient is φ = 11759328000.

The previous prime is 13012320199. The next prime is 13012320227. The reversal of 13012320211 is 11202321031.

It is a cyclic number.

It is not a de Polignac number, because 13012320211 - 25 = 13012320179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13012321211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1762135 + ... + 1769503.

It is an arithmetic number, because the mean of its divisors is an integer number (892470150).

Almost surely, 213012320211 is an apocalyptic number.

13012320211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13012320211 is a deficient number, since it is larger than the sum of its proper divisors (1267202189).

13012320211 is a wasteful number, since it uses less digits than its factorization.

13012320211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8310.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13012320211 its reverse (11202321031), we get a palindrome (24214641242).

The spelling of 13012320211 in words is "thirteen billion, twelve million, three hundred twenty thousand, two hundred eleven".

Divisors: 1 11 229 701 2519 7369 7711 81059 160529 1687501 1765819 5165669 18562511 56822359 1182938201 13012320211