Search a number
-
+
147430815769 is a prime number
BaseRepresentation
bin1000100101001110001…
…1111011100000011001
3112002112201002102200001
42021103203323200121
54403414242101034
6151421230013001
713436321154136
oct2112343734031
9462481072601
10147430815769
1157585940aa6
12246a6347161
1310b972088c3
1471c849158d
153c7d289a14
hex22538fb819

147430815769 has 2 divisors, whose sum is σ = 147430815770. Its totient is φ = 147430815768.

The previous prime is 147430815767. The next prime is 147430815811. The reversal of 147430815769 is 967518034741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100973324169 + 46457491600 = 317763^2 + 215540^2 .

It is a cyclic number.

It is not a de Polignac number, because 147430815769 - 21 = 147430815767 is a prime.

It is a super-2 number, since 2×1474308157692 (a number of 23 digits) contains 22 as substring.

Together with 147430815767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (147430815767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73715407884 + 73715407885.

It is an arithmetic number, because the mean of its divisors is an integer number (73715407885).

Almost surely, 2147430815769 is an apocalyptic number.

It is an amenable number.

147430815769 is a deficient number, since it is larger than the sum of its proper divisors (1).

147430815769 is an equidigital number, since it uses as much as digits as its factorization.

147430815769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 147430815769 in words is "one hundred forty-seven billion, four hundred thirty million, eight hundred fifteen thousand, seven hundred sixty-nine".