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204231202320413 = 456744718896939
BaseRepresentation
bin101110011011111101001000…
…010001000011000000011101
3222210010022102122021112220202
4232123331020101003000131
5203232111000243223123
62002210304043353245
761006134403525052
oct5633751021030035
9883108378245822
10204231202320413
115a08aa6a460284
121aaa5460522825
1389c5bc5896268
143860bb3025029
1518927c7940a28
hexb9bf4844301d

204231202320413 has 4 divisors (see below), whose sum is σ = 204275921221920. Its totient is φ = 204186483418908.

The previous prime is 204231202320391. The next prime is 204231202320427. The reversal of 204231202320413 is 314023202132402.

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.

It is a cyclic number.

It is not a de Polignac number, because 204231202320413 - 224 = 204231185543197 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 (204231202320443) 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, 22359443903 + ... + 22359453036.

It is an arithmetic number, because the mean of its divisors is an integer number (51068980305480).

Almost surely, 2204231202320413 is an apocalyptic number.

It is an amenable number.

204231202320413 is a deficient number, since it is larger than the sum of its proper divisors (44718901507).

204231202320413 is an equidigital number, since it uses as much as digits as its factorization.

204231202320413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44718901506.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 204231202320413 its reverse (314023202132402), we get a palindrome (518254404452815).

The spelling of 204231202320413 in words is "two hundred four trillion, two hundred thirty-one billion, two hundred two million, three hundred twenty thousand, four hundred thirteen".

Divisors: 1 4567 44718896939 204231202320413