Search a number
-
+
2203020013 = 4095386357
BaseRepresentation
bin1000001101001111…
…0110101011101101
312200112101000022211
42003103312223231
514002433120023
61002334210421
7105410234605
oct20323665355
95615330284
102203020013
11a306025a7
12515953a11
1329154b14c
1416c825c05
15cd616a0d
hex834f6aed

2203020013 has 4 divisors (see below), whose sum is σ = 2208406780. Its totient is φ = 2197633248.

The previous prime is 2203019993. The next prime is 2203020019. The reversal of 2203020013 is 3100203022.

It is a happy number.

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 920090889 + 1282929124 = 30333^2 + 35818^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203020013 - 29 = 2203019501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2203019975 and 2203020002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203020019) 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, 2692770 + ... + 2693587.

It is an arithmetic number, because the mean of its divisors is an integer number (552101695).

Almost surely, 22203020013 is an apocalyptic number.

It is an amenable number.

2203020013 is a deficient number, since it is larger than the sum of its proper divisors (5386767).

2203020013 is an equidigital number, since it uses as much as digits as its factorization.

2203020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5386766.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2203020013 is about 46936.3400043080. The cubic root of 2203020013 is about 1301.1862964228.

Adding to 2203020013 its reverse (3100203022), we get a palindrome (5303223035).

The spelling of 2203020013 in words is "two billion, two hundred three million, twenty thousand, thirteen".

Divisors: 1 409 5386357 2203020013