Search a number
-
+
13224011223 = 329947160507
BaseRepresentation
bin11000101000011011…
…00110010111010111
31021010121022101002110
430110031212113113
5204040321324343
610024112242103
7645463145403
oct142415462727
937117271073
1013224011223
1156766783a5
122690840333
131329915117
148d63dc103
15525e50833
hex3143665d7

13224011223 has 16 divisors (see below), whose sum is σ = 18259390080. Its totient is φ = 8502965856.

The previous prime is 13224011147. The next prime is 13224011239. The reversal of 13224011223 is 32211042231.

It is not a de Polignac number, because 13224011223 - 213 = 13224003031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13224011223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224011263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2136 + ... + 162642.

It is an arithmetic number, because the mean of its divisors is an integer number (1141211880).

Almost surely, 213224011223 is an apocalyptic number.

13224011223 is a deficient number, since it is larger than the sum of its proper divisors (5035378857).

13224011223 is a wasteful number, since it uses less digits than its factorization.

13224011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161486.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13224011223 its reverse (32211042231), we get a palindrome (45435053454).

The spelling of 13224011223 in words is "thirteen billion, two hundred twenty-four million, eleven thousand, two hundred twenty-three".

Divisors: 1 3 29 87 947 2841 27463 82389 160507 481521 4654703 13964109 152000129 456000387 4408003741 13224011223