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204203104401 = 368067701467
BaseRepresentation
bin1011111000101101110…
…1000001100010010001
3201112002021011111210210
42332023131001202101
511321201443320101
6233450513114333
720516225514462
oct2761335014221
9645067144723
10204203104401
11796693687aa
12336ab2589a9
1316344043bba
149c523c4d69
1554a24687d6
hex2f8b741891

204203104401 has 4 divisors (see below), whose sum is σ = 272270805872. Its totient is φ = 136135402932.

The previous prime is 204203104397. The next prime is 204203104403. The reversal of 204203104401 is 104401302402.

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 not a de Polignac number, because 204203104401 - 22 = 204203104397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204203104403) 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, 34033850731 + ... + 34033850736.

It is an arithmetic number, because the mean of its divisors is an integer number (68067701468).

Almost surely, 2204203104401 is an apocalyptic number.

It is an amenable number.

204203104401 is a deficient number, since it is larger than the sum of its proper divisors (68067701471).

204203104401 is an equidigital number, since it uses as much as digits as its factorization.

204203104401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68067701470.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 204203104401 its reverse (104401302402), we get a palindrome (308604406803).

The spelling of 204203104401 in words is "two hundred four billion, two hundred three million, one hundred four thousand, four hundred one".

Divisors: 1 3 68067701467 204203104401