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4731431889 = 319641129497
BaseRepresentation
bin1000110100000001…
…11110101111010001
3110012202000122101010
410122000332233101
534142221310024
62101255001133
7225151336032
oct43200765721
913182018333
104731431889
112008851898
12b006691a9
135a5317752
1432c550a89
151ca5a5b29
hex11a03ebd1

4731431889 has 16 divisors (see below), whose sum is σ = 6651017280. Its totient is φ = 2983587840.

The previous prime is 4731431879. The next prime is 4731431893. The reversal of 4731431889 is 9881341374.

It is a happy number.

It is not a de Polignac number, because 4731431889 - 211 = 4731429841 is a prime.

It is a super-2 number, since 2×47314318892 = 44772895440492216642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4731431839) 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, 28212 + ... + 101285.

It is an arithmetic number, because the mean of its divisors is an integer number (415688580).

Almost surely, 24731431889 is an apocalyptic number.

It is an amenable number.

4731431889 is a deficient number, since it is larger than the sum of its proper divisors (1919585391).

4731431889 is a wasteful number, since it uses less digits than its factorization.

4731431889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130160.

The product of its digits is 580608, while the sum is 48.

The square root of 4731431889 is about 68785.4046219109. The cubic root of 4731431889 is about 1678.7944735154.

The spelling of 4731431889 in words is "four billion, seven hundred thirty-one million, four hundred thirty-one thousand, eight hundred eighty-nine".

Divisors: 1 3 19 57 641 1923 12179 36537 129497 388491 2460443 7381329 83007577 249022731 1577143963 4731431889