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200178012889 is a prime number
BaseRepresentation
bin1011101001101110001…
…0100001001011011001
3201010200202020200021101
42322123202201023121
511234431032403024
6231543245311401
720314412015011
oct2723342411331
9633622220241
10200178012889
11779932a6998
1232967265561
1315b5217874a
14998d9bcc41
155318dd8c44
hex2e9b8a12d9

200178012889 has 2 divisors, whose sum is σ = 200178012890. Its totient is φ = 200178012888.

The previous prime is 200178012887. The next prime is 200178012907. The reversal of 200178012889 is 988210871002.

200178012889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121464099289 + 78713913600 = 348517^2 + 280560^2 .

It is a cyclic number.

It is not a de Polignac number, because 200178012889 - 21 = 200178012887 is a prime.

Together with 200178012887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (200178012887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100089006444 + 100089006445.

It is an arithmetic number, because the mean of its divisors is an integer number (100089006445).

Almost surely, 2200178012889 is an apocalyptic number.

It is an amenable number.

200178012889 is a deficient number, since it is larger than the sum of its proper divisors (1).

200178012889 is an equidigital number, since it uses as much as digits as its factorization.

200178012889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 46.

The spelling of 200178012889 in words is "two hundred billion, one hundred seventy-eight million, twelve thousand, eight hundred eighty-nine".