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389893398983 = 111011597219749
BaseRepresentation
bin1011010110001110111…
…01010010000111000111
31101021101100012211202122
411223013131102013013
522342000202231413
6455040424400155
740111631131634
oct5530735220707
91337340184678
10389893398983
11140397728480
126369261605b
132a9c783895a
1414c29c1118b
15a21e4d0108
hex5ac77521c7

389893398983 has 16 divisors (see below), whose sum is σ = 429820452000. Its totient is φ = 350717808000.

The previous prime is 389893398959. The next prime is 389893399013.

389893398983 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 389893398983 - 26 = 389893398919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 389893398898 and 389893398907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389893398913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1664393 + ... + 1884141.

It is an arithmetic number, because the mean of its divisors is an integer number (26863778250).

Almost surely, 2389893398983 is an apocalyptic number.

389893398983 is a deficient number, since it is larger than the sum of its proper divisors (39927053017).

389893398983 is a wasteful number, since it uses less digits than its factorization.

389893398983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221458.

The product of its digits is 2176782336, while the sum is 80.

The spelling of 389893398983 in words is "three hundred eighty-nine billion, eight hundred ninety-three million, three hundred ninety-eight thousand, nine hundred eighty-three".

Divisors: 1 11 101 1111 1597 17567 161297 219749 1774267 2417239 22194649 244141139 350939153 3860330683 35444854453 389893398983