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809380023023 = 111311350088497
BaseRepresentation
bin10111100011100101100…
…11110000101011101111
32212101011002022021120202
423301302303300223233
5101230102241214043
61415453554504115
7112322122452635
oct13616263605357
92771132267522
10809380023023
1129228aa16940
12110a4389503b
135b42a395460
142b262021355
15160c1a381b8
hexbc72cf0aef

809380023023 has 16 divisors (see below), whose sum is σ = 959294913696. Its totient is φ = 673189386240.

The previous prime is 809380023007. The next prime is 809380023029. The reversal of 809380023023 is 320320083908.

It is a cyclic number.

It is not a de Polignac number, because 809380023023 - 24 = 809380023007 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 (809380023029) 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, 25028090 + ... + 25060407.

It is an arithmetic number, because the mean of its divisors is an integer number (59955932106).

Almost surely, 2809380023023 is an apocalyptic number.

809380023023 is a deficient number, since it is larger than the sum of its proper divisors (149914890673).

809380023023 is a wasteful number, since it uses less digits than its factorization.

809380023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50088634.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 809380023023 in words is "eight hundred nine billion, three hundred eighty million, twenty-three thousand, twenty-three".

Divisors: 1 11 13 113 143 1243 1469 16159 50088497 550973467 651150461 5660000161 7162655071 62260001771 73580002093 809380023023