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983864468389 = 11213789589681
BaseRepresentation
bin11100101000100101110…
…01000110001110100101
310111001112012120111021011
432110102321012032211
5112104423300442024
62031551530022221
7131040035665555
oct16242271061645
93431465514234
10983864468389
1134a288930200
1213a81a277971
1371a1640b0ba
14358954b5165
151a8d4ded094
hexe512e463a5

983864468389 has 12 divisors (see below), whose sum is σ = 1081518065740. Its totient is φ = 894355862400.

The previous prime is 983864468339. The next prime is 983864468459.

983864468389 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 661969368225 + 321895100164 = 813615^2 + 567358^2 .

It is not a de Polignac number, because 983864468389 - 27 = 983864468261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983864468329) 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 in 11 ways as a sum of consecutive naturals, for example, 1373629 + ... + 1963309.

Almost surely, 2983864468389 is an apocalyptic number.

It is an amenable number.

983864468389 is a deficient number, since it is larger than the sum of its proper divisors (97653597351).

983864468389 is a wasteful number, since it uses less digits than its factorization.

983864468389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603492 (or 603481 counting only the distinct ones).

The product of its digits is 1719926784, while the sum is 76.

The spelling of 983864468389 in words is "nine hundred eighty-three billion, eight hundred sixty-four million, four hundred sixty-eight thousand, three hundred eighty-nine".

Divisors: 1 11 121 13789 151679 589681 1668469 6486491 71351401 8131111309 89442224399 983864468389