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202200013 = 281719573
BaseRepresentation
bin11000000110101…
…01001111001101
3112002110211021101
430003111033031
5403230400023
632021503101
75003446261
oct1403251715
9462424241
10202200013
11a4155954
1257871a91
1332b777a2
141cbd60a1
1512b411ad
hexc0d53cd

202200013 has 4 divisors (see below), whose sum is σ = 202919868. Its totient is φ = 201480160.

The previous prime is 202200001. The next prime is 202200029. The reversal of 202200013 is 310002202.

202200013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 167883849 + 34316164 = 12957^2 + 5858^2 .

It is a cyclic number.

It is not a de Polignac number, because 202200013 - 25 = 202199981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202200043) 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, 359506 + ... + 360067.

It is an arithmetic number, because the mean of its divisors is an integer number (50729967).

Almost surely, 2202200013 is an apocalyptic number.

It is an amenable number.

202200013 is a deficient number, since it is larger than the sum of its proper divisors (719855).

202200013 is an equidigital number, since it uses as much as digits as its factorization.

202200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719854.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 202200013 is about 14219.7050953949. The cubic root of 202200013 is about 586.9400252353.

Adding to 202200013 its reverse (310002202), we get a palindrome (512202215).

The spelling of 202200013 in words is "two hundred two million, two hundred thousand, thirteen".

Divisors: 1 281 719573 202200013