Search a number
-
+
13220302293 = 32111091225123
BaseRepresentation
bin11000100111111110…
…11100110111010101
31021010100022221101200
430103333130313111
5204033344133133
610023500543113
7645416500242
oct142377346725
937110287350
1013220302293
115674574870
12268b551a99
131328c16ba3
148d5b145c9
1552596b913
hex313fdcdd5

13220302293 has 24 divisors (see below), whose sum is σ = 21023127840. Its totient is φ = 7938790560.

The previous prime is 13220302283. The next prime is 13220302307. The reversal of 13220302293 is 39220302231.

It is not a de Polignac number, because 13220302293 - 220 = 13219253717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220302283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 601771 + ... + 623352.

It is an arithmetic number, because the mean of its divisors is an integer number (875963660).

Almost surely, 213220302293 is an apocalyptic number.

It is an amenable number.

13220302293 is a deficient number, since it is larger than the sum of its proper divisors (7802825547).

13220302293 is a wasteful number, since it uses less digits than its factorization.

13220302293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225249 (or 1225246 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

It can be divided in two parts, 13220 and 302293, that added together give a palindrome (315513).

The spelling of 13220302293 in words is "thirteen billion, two hundred twenty million, three hundred two thousand, two hundred ninety-three".

Divisors: 1 3 9 11 33 99 109 327 981 1199 3597 10791 1225123 3675369 11026107 13476353 40429059 121287177 133538407 400615221 1201845663 1468922477 4406767431 13220302293