Search a number
-
+
13222203230 = 256121675743
BaseRepresentation
bin11000101000001101…
…01100111101011110
31021010110220111222202
430110012230331132
5204034341000410
610024005411502
7645441605315
oct142406547536
937113814882
1013222203230
115675652a95
122690109b92
1313294311c2
148d608b27c
15525be4ca5
hex3141acf5e

13222203230 has 16 divisors (see below), whose sum is σ = 24190130304. Its totient is φ = 5202178080.

The previous prime is 13222203229. The next prime is 13222203233. The reversal of 13222203230 is 3230222231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222203233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10837262 + ... + 10838481.

It is an arithmetic number, because the mean of its divisors is an integer number (1511883144).

Almost surely, 213222203230 is an apocalyptic number.

13222203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13222203230 is a deficient number, since it is larger than the sum of its proper divisors (10967927074).

13222203230 is a wasteful number, since it uses less digits than its factorization.

13222203230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21675811.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13222203230 its reverse (3230222231), we get a palindrome (16452425461).

The spelling of 13222203230 in words is "thirteen billion, two hundred twenty-two million, two hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 61 122 305 610 21675743 43351486 108378715 216757430 1322220323 2644440646 6611101615 13222203230