Search a number
-
+
13005223502 = 271809113209
BaseRepresentation
bin11000001110010101…
…11111011001001110
31020120100121210202112
430013022333121032
5203113314123002
65550255024022
7640165401335
oct140712773116
936510553675
1013005223502
1155741229a7
12262b50b012
1312c34b042b
148b5328d1c
15511b34852
hex3072bf64e

13005223502 has 16 divisors (see below), whose sum is σ = 19807221600. Its totient is φ = 6403044480.

The previous prime is 13005223481. The next prime is 13005223519. The reversal of 13005223502 is 20532250031.

It is a congruent number.

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, 58274 + ... + 171482.

It is an arithmetic number, because the mean of its divisors is an integer number (1237951350).

Almost surely, 213005223502 is an apocalyptic number.

13005223502 is a deficient number, since it is larger than the sum of its proper divisors (6801998098).

13005223502 is a wasteful number, since it uses less digits than its factorization.

13005223502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114091.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 13005223502 its reverse (20532250031), we get a palindrome (33537473533).

The spelling of 13005223502 in words is "thirteen billion, five million, two hundred twenty-three thousand, five hundred two".

Divisors: 1 2 71 142 809 1618 57439 113209 114878 226418 8037839 16075678 91586081 183172162 6502611751 13005223502