Search a number
-
+
13220021202 = 231727624003
BaseRepresentation
bin11000100111111100…
…11000001111010010
31021010022210122210220
430103332120033102
5204033311134302
610023450533510
7645414216603
oct142376301722
937108718726
1013220021202
1156743a2663
12268b437296
131328b48c6b
148d5a7ddaa
155259134bc
hex313f983d2

13220021202 has 24 divisors (see below), whose sum is σ = 28086830736. Its totient is φ = 4147457088.

The previous prime is 13220021201. The next prime is 13220021203. The reversal of 13220021202 is 20212002231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13220021201) and next prime (13220021203).

It is not an unprimeable number, because it can be changed into a prime (13220021201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3810268 + ... + 3813735.

It is an arithmetic number, because the mean of its divisors is an integer number (1170284614).

Almost surely, 213220021202 is an apocalyptic number.

13220021202 is an abundant number, since it is smaller than the sum of its proper divisors (14866809534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13220021202 is a wasteful number, since it uses less digits than its factorization.

13220021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7624042 (or 7624025 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 13220021202 its reverse (20212002231), we get a palindrome (33432023433).

The spelling of 13220021202 in words is "thirteen billion, two hundred twenty million, twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 17 34 51 102 289 578 867 1734 7624003 15248006 22872009 45744018 129608051 259216102 388824153 777648306 2203336867 4406673734 6610010601 13220021202