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205031205200001 = 3232971466742029
BaseRepresentation
bin101110100111100110001100…
…001001110110000010000001
3222212221210101012211120221210
4232213212030021312002001
5203333212402012400001
62004022011345440333
761121005254022305
oct5647461411660201
9885853335746853
10205031205200001
115a3692782014a4
121abb45079400a9
138a5348a31051b
14388b7c58d9d05
1518a84eb100dd6
hexba798c276081

205031205200001 has 8 divisors (see below), whose sum is σ = 285260807234880. Its totient is φ = 130744536649232.

The previous prime is 205031205199969. The next prime is 205031205200069. The reversal of 205031205200001 is 100002502130502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205031205200001 - 25 = 205031205199969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205031205200071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485733370946 + ... + 1485733371083.

It is an arithmetic number, because the mean of its divisors is an integer number (35657600904360).

Almost surely, 2205031205200001 is an apocalyptic number.

It is an amenable number.

205031205200001 is a deficient number, since it is larger than the sum of its proper divisors (80229602034879).

205031205200001 is a wasteful number, since it uses less digits than its factorization.

205031205200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971466742055.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 205031205200001 its reverse (100002502130502), we get a palindrome (305033707330503).

The spelling of 205031205200001 in words is "two hundred five trillion, thirty-one billion, two hundred five million, two hundred thousand, one".

Divisors: 1 3 23 69 2971466742029 8914400226087 68343735066667 205031205200001