Search a number
-
+
11234152231 = 45132489287
BaseRepresentation
bin10100111011001101…
…11000111100100111
31001222221001001201021
422131212320330213
5141001420332411
65054430512011
7545251501261
oct123546707447
931887031637
1011234152231
114845427935
122216365607
1310a05ab873
14788022b31
1545b3e2a71
hex29d9b8f27

11234152231 has 4 divisors (see below), whose sum is σ = 11236646032. Its totient is φ = 11231658432.

The previous prime is 11234152201. The next prime is 11234152283. The reversal of 11234152231 is 13225143211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11234152231 - 25 = 11234152199 is a prime.

It is a super-2 number, since 2×112341522312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11234152196 and 11234152205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11234152201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240131 + ... + 1249156.

It is an arithmetic number, because the mean of its divisors is an integer number (2809161508).

Almost surely, 211234152231 is an apocalyptic number.

11234152231 is a deficient number, since it is larger than the sum of its proper divisors (2493801).

11234152231 is an equidigital number, since it uses as much as digits as its factorization.

11234152231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493800.

The product of its digits is 1440, while the sum is 25.

Adding to 11234152231 its reverse (13225143211), we get a palindrome (24459295442).

The spelling of 11234152231 in words is "eleven billion, two hundred thirty-four million, one hundred fifty-two thousand, two hundred thirty-one".

Divisors: 1 4513 2489287 11234152231