Search a number
-
+
11112202231 = 131944988673
BaseRepresentation
bin10100101100101011…
…01011111111110111
31001200102120100202121
422112111223333313
5140224210432411
65034353020411
7542241106024
oct122625537767
931612510677
1011112202231
114792604009
1221a1554707
1310812511c0
14775b5a54b
15450854571
hex29656bff7

11112202231 has 8 divisors (see below), whose sum is σ = 12596828720. Its totient is φ = 9717553152.

The previous prime is 11112202219. The next prime is 11112202253. The reversal of 11112202231 is 13220221111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11112202231 - 215 = 11112169463 is a prime.

It is a super-2 number, since 2×111122022312 (a number of 21 digits) contains 22 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 (11112202931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22494090 + ... + 22494583.

It is an arithmetic number, because the mean of its divisors is an integer number (1574603590).

Almost surely, 211112202231 is an apocalyptic number.

11112202231 is a deficient number, since it is larger than the sum of its proper divisors (1484626489).

11112202231 is a wasteful number, since it uses less digits than its factorization.

11112202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44988705.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11112202231 its reverse (13220221111), we get a palindrome (24332423342).

The spelling of 11112202231 in words is "eleven billion, one hundred twelve million, two hundred two thousand, two hundred thirty-one".

Divisors: 1 13 19 247 44988673 584852749 854784787 11112202231