Search a number
-
+
20113203041 = 53379494397
BaseRepresentation
bin10010101110110101…
…110001111101100001
31220220201112120121222
4102232311301331201
5312142434444131
613123451424425
71311265255631
oct225665617541
956821476558
1020113203041
118591419158
123a93a55115
131b86c91b99
14d8b3526c1
157cab7c87b
hex4aed71f61

20113203041 has 4 divisors (see below), whose sum is σ = 20492697492. Its totient is φ = 19733708592.

The previous prime is 20113203029. The next prime is 20113203043. The reversal of 20113203041 is 14030231102.

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 18084601441 + 2028601600 = 134479^2 + 45040^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113203041 - 214 = 20113186657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20113203043) 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, 189747146 + ... + 189747251.

It is an arithmetic number, because the mean of its divisors is an integer number (5123174373).

Almost surely, 220113203041 is an apocalyptic number.

It is an amenable number.

20113203041 is a deficient number, since it is larger than the sum of its proper divisors (379494451).

20113203041 is an equidigital number, since it uses as much as digits as its factorization.

20113203041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379494450.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20113203041 its reverse (14030231102), we get a palindrome (34143434143).

The spelling of 20113203041 in words is "twenty billion, one hundred thirteen million, two hundred three thousand, forty-one".

Divisors: 1 53 379494397 20113203041