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389704407983 = 11187731887161
BaseRepresentation
bin1011010101111000011…
…00010101101110101111
31101020220011121002211222
411222330030111232233
522341103312023413
6455005553533555
740104144545522
oct5527414255657
91336804532758
10389704407983
111402aaa84770
126363b2742bb
132a997637567
1414c0ca96bb9
15a20caecb08
hex5abc315baf

389704407983 has 8 divisors (see below), whose sum is σ = 425154952656. Its totient is φ = 354257675200.

The previous prime is 389704407971. The next prime is 389704408021.

389704407983 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 389704407983 - 212 = 389704403887 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 (389704407083) 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, 737078 + ... + 1150083.

It is an arithmetic number, because the mean of its divisors is an integer number (53144369082).

Almost surely, 2389704407983 is an apocalyptic number.

389704407983 is a deficient number, since it is larger than the sum of its proper divisors (35450544673).

389704407983 is a wasteful number, since it uses less digits than its factorization.

389704407983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905945.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 389704407983 in words is "three hundred eighty-nine billion, seven hundred four million, four hundred seven thousand, nine hundred eighty-three".

Divisors: 1 11 18773 206503 1887161 20758771 35427673453 389704407983