Search a number
-
+
3111220000213 = 131771198280543
BaseRepresentation
bin101101010001100011001…
…010011011010111010101
3102000102121021022200111021
4231101203022123113111
5401433234310001323
610341135202041141
7440530634442343
oct55214312332725
912012537280437
103111220000213
11a9a508643026
12422b853491b1
13197504a04810
14aa826134993
1555de39c805d
hex2d46329b5d5

3111220000213 has 16 divisors (see below), whose sum is σ = 3597602190336. Its totient is φ = 2664890484480.

The previous prime is 3111220000177. The next prime is 3111220000241. The reversal of 3111220000213 is 3120000221113.

It is a cyclic number.

It is not a de Polignac number, because 3111220000213 - 225 = 3111186445781 is a prime.

It is a super-3 number, since 3×31112200002133 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111220004213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99124581 + ... + 99155962.

It is an arithmetic number, because the mean of its divisors is an integer number (224850136896).

Almost surely, 23111220000213 is an apocalyptic number.

It is an amenable number.

3111220000213 is a deficient number, since it is larger than the sum of its proper divisors (486382190123).

3111220000213 is a wasteful number, since it uses less digits than its factorization.

3111220000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198280644.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 3111220000213 its reverse (3120000221113), we get a palindrome (6231220221326).

The spelling of 3111220000213 in words is "three trillion, one hundred eleven billion, two hundred twenty million, two hundred thirteen", and thus it is an aban number.

Divisors: 1 13 17 71 221 923 1207 15691 198280543 2577647059 3370769231 14077918553 43820000003 183012941189 239324615401 3111220000213