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2203144013 = 7314734859
BaseRepresentation
bin1000001101010001…
…0100111101001101
312200112121022102102
42003110110331031
514003001102023
61002341004445
7105411262250
oct20324247515
95615538372
102203144013
11a30687784
125159b3725
13291592715
1416c859097
15cd63d628
hex83514f4d

2203144013 has 4 divisors (see below), whose sum is σ = 2517878880. Its totient is φ = 1888409148.

The previous prime is 2203143989. The next prime is 2203144109. The reversal of 2203144013 is 3104413022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3104413022 = 21552206511.

It is a cyclic number.

It is not a de Polignac number, because 2203144013 - 214 = 2203127629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203144313) 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, 157367423 + ... + 157367436.

It is an arithmetic number, because the mean of its divisors is an integer number (629469720).

Almost surely, 22203144013 is an apocalyptic number.

It is an amenable number.

2203144013 is a deficient number, since it is larger than the sum of its proper divisors (314734867).

2203144013 is an equidigital number, since it uses as much as digits as its factorization.

2203144013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314734866.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2203144013 is about 46937.6609238253. The cubic root of 2203144013 is about 1301.2107089826.

Adding to 2203144013 its reverse (3104413022), we get a palindrome (5307557035).

The spelling of 2203144013 in words is "two billion, two hundred three million, one hundred forty-four thousand, thirteen".

Divisors: 1 7 314734859 2203144013