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200668913621 = 1178809231479
BaseRepresentation
bin1011101011100011001…
…1001001111111010101
3201011221221222000110222
42322320303021333111
511241432220213441
6232104103124125
720332522423331
oct2727063117725
9634857860428
10200668913621
1178115408980
1232a83743645
1315bcca95c57
1499d8c867c1
155347055d4b
hex2eb8cc9fd5

200668913621 has 8 divisors (see below), whose sum is σ = 218915265600. Its totient is φ = 182423182240.

The previous prime is 200668913567. The next prime is 200668913623. The reversal of 200668913621 is 126319866002.

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 200668913621 - 234 = 183489044437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200668913623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751160 + ... + 982638.

It is an arithmetic number, because the mean of its divisors is an integer number (27364408200).

Almost surely, 2200668913621 is an apocalyptic number.

It is an amenable number.

200668913621 is a deficient number, since it is larger than the sum of its proper divisors (18246351979).

200668913621 is a wasteful number, since it uses less digits than its factorization.

200668913621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310299.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 200668913621 in words is "two hundred billion, six hundred sixty-eight million, nine hundred thirteen thousand, six hundred twenty-one".

Divisors: 1 11 78809 231479 866899 2546269 18242628511 200668913621