Search a number
-
+
13232422021 = 721328037411
BaseRepresentation
bin11000101001011011…
…01011110010000101
31021011012010200112111
430110231223302011
5204100000001041
610025012421021
7645624505600
oct142455536205
937135120474
1013232422021
1156803a2575
122693617771
13132b59b520
148d758b337
15526a62981
hex314b6bc85

13232422021 has 24 divisors (see below), whose sum is σ = 16585031904. Its totient is φ = 10464461280.

The previous prime is 13232422019. The next prime is 13232422033. The reversal of 13232422021 is 12022423231.

13232422021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13232422021 - 21 = 13232422019 is a prime.

It is a super-3 number, since 3×132324220213 (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13232421983 and 13232422001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232422321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1781806 + ... + 1789216.

It is an arithmetic number, because the mean of its divisors is an integer number (691042996).

Almost surely, 213232422021 is an apocalyptic number.

It is an amenable number.

13232422021 is a deficient number, since it is larger than the sum of its proper divisors (3352609883).

13232422021 is a wasteful number, since it uses less digits than its factorization.

13232422021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10241 (or 10234 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13232422021 its reverse (12022423231), we get a palindrome (25254845252).

The spelling of 13232422021 in words is "thirteen billion, two hundred thirty-two million, four hundred twenty-two thousand, twenty-one".

Divisors: 1 7 13 49 91 637 2803 7411 19621 36439 51877 96343 137347 255073 363139 674401 1785511 4720807 20773033 145411231 270049429 1017878617 1890346003 13232422021