Search a number
-
+
13220022319 = 71888574617
BaseRepresentation
bin11000100111111100…
…11000100000101111
31021010022210201100021
430103332120200233
5204033311203234
610023450543011
7645414223060
oct142376304057
937108721307
1013220022319
1156743a3489
12268b437a67
131328b4961a
148d5a80567
155259139b4
hex313f9882f

13220022319 has 4 divisors (see below), whose sum is σ = 15108596944. Its totient is φ = 11331447696.

The previous prime is 13220022313. The next prime is 13220022349. The reversal of 13220022319 is 91322002231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13220022319 - 23 = 13220022311 is a prime.

It is a super-2 number, since 2×132200223192 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13220022293 and 13220022302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220022311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944287302 + ... + 944287315.

It is an arithmetic number, because the mean of its divisors is an integer number (3777149236).

Almost surely, 213220022319 is an apocalyptic number.

13220022319 is a deficient number, since it is larger than the sum of its proper divisors (1888574625).

13220022319 is an equidigital number, since it uses as much as digits as its factorization.

13220022319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888574624.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 13220022319 in words is "thirteen billion, two hundred twenty million, twenty-two thousand, three hundred nineteen".

Divisors: 1 7 1888574617 13220022319