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208996204801 = 1033923517229
BaseRepresentation
bin1100001010100100100…
…1010000000100000001
3201222110022020020110211
43002221021100010001
511411011012023201
6240002253554121
721046056300226
oct3025111200401
9658408206424
10208996204801
11806a89aaaaa
12346084a5941
1316929070b97
14a188bc994d
155683151651
hex30a9250101

208996204801 has 8 divisors (see below), whose sum is σ = 211079494080. Its totient is φ = 206913958032.

The previous prime is 208996204789. The next prime is 208996204819. The reversal of 208996204801 is 108402699802.

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 208996204801 - 29 = 208996204289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208996204831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145455 + ... + 662683.

It is an arithmetic number, because the mean of its divisors is an integer number (26384936760).

Almost surely, 2208996204801 is an apocalyptic number.

It is an amenable number.

208996204801 is a deficient number, since it is larger than the sum of its proper divisors (2083289279).

208996204801 is a wasteful number, since it uses less digits than its factorization.

208996204801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521255.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 208996204801 in words is "two hundred eight billion, nine hundred ninety-six million, two hundred four thousand, eight hundred one".

Divisors: 1 103 3923 404069 517229 53274587 2029089367 208996204801