Search a number
-
+
13220301332 = 2272571118127
BaseRepresentation
bin11000100111111110…
…11100101000010100
31021010100022220002002
430103333130220110
5204033344120312
610023500534432
7645416464400
oct142377345024
937110286062
1013220301332
115674574077
12268b551418
131328c16614
148d5b14100
1552596b4c2
hex313fdca14

13220301332 has 36 divisors (see below), whose sum is σ = 26960117184. Its totient is φ = 5655872880.

The previous prime is 13220301313. The next prime is 13220301349. The reversal of 13220301332 is 23310302231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52853 + ... + 170979.

It is an arithmetic number, because the mean of its divisors is an integer number (748892144).

Almost surely, 213220301332 is an apocalyptic number.

It is an amenable number.

13220301332 is an abundant number, since it is smaller than the sum of its proper divisors (13739815852).

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

13220301332 is a wasteful number, since it uses less digits than its factorization.

13220301332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118716 (or 118707 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13220301332 its reverse (23310302231), we get a palindrome (36530603563).

The spelling of 13220301332 in words is "thirteen billion, two hundred twenty million, three hundred one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 571 1142 2284 3997 7994 15988 27979 55958 111916 118127 236254 472508 826889 1653778 3307556 5788223 11576446 23152892 67450517 134901034 269802068 472153619 944307238 1888614476 3305075333 6610150666 13220301332