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5781288023 = 71944099859
BaseRepresentation
bin1010110001001011…
…10111010001010111
3112220220111212020122
411120211313101113
543320002204043
62353401022155
7263160065060
oct53045672127
915826455218
105781288023
1124a7428295
12115418495b
1371198c6b4
143cbb59567
1523c834368
hex158977457

5781288023 has 16 divisors (see below), whose sum is σ = 6957216000. Its totient is φ = 4693038912.

The previous prime is 5781288017. The next prime is 5781288041. The reversal of 5781288023 is 3208821875.

It is not a de Polignac number, because 5781288023 - 218 = 5781025879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5781288083) 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, 581468 + ... + 591326.

It is an arithmetic number, because the mean of its divisors is an integer number (434826000).

Almost surely, 25781288023 is an apocalyptic number.

5781288023 is a deficient number, since it is larger than the sum of its proper divisors (1175927977).

5781288023 is a wasteful number, since it uses less digits than its factorization.

5781288023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14294.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 5781288023 is about 76034.7816660244. The cubic root of 5781288023 is about 1794.7675226994.

The spelling of 5781288023 in words is "five billion, seven hundred eighty-one million, two hundred eighty-eight thousand, twenty-three".

Divisors: 1 7 19 133 4409 9859 30863 69013 83771 187321 586397 1311247 43468331 304278317 825898289 5781288023