Search a number
-
+
11203680241 = 13861821557
BaseRepresentation
bin10100110111100101…
…01001011111110001
31001220210200221000001
422123302221133301
5140421120231431
65051421430001
7544431465535
oct123362513761
931823627001
1011203680241
11482a204876
12220810b301
13109719cac0
14783d6dbc5
154588c3e61
hex29bca97f1

11203680241 has 4 divisors (see below), whose sum is σ = 12065501812. Its totient is φ = 10341858672.

The previous prime is 11203680233. The next prime is 11203680247. The reversal of 11203680241 is 14208630211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7035686641 + 4167993600 = 83879^2 + 64560^2 .

It is a cyclic number.

It is not a de Polignac number, because 11203680241 - 23 = 11203680233 is a prime.

It is a super-3 number, since 3×112036802413 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11203680247) 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, 430910766 + ... + 430910791.

It is an arithmetic number, because the mean of its divisors is an integer number (3016375453).

Almost surely, 211203680241 is an apocalyptic number.

It is an amenable number.

11203680241 is a deficient number, since it is larger than the sum of its proper divisors (861821571).

11203680241 is an equidigital number, since it uses as much as digits as its factorization.

11203680241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861821570.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 11203680241 in words is "eleven billion, two hundred three million, six hundred eighty thousand, two hundred forty-one".

Divisors: 1 13 861821557 11203680241