Search a number
-
+
1530002141 is a prime number
BaseRepresentation
bin101101100110001…
…1111101011011101
310221121222011100222
41123030133223131
511113140032031
6411453131125
752625542433
oct13314375335
93847864328
101530002141
11715712288
12368489aa5
131b4c98215
141072b2d53
158e4c3e7b
hex5b31fadd

1530002141 has 2 divisors, whose sum is σ = 1530002142. Its totient is φ = 1530002140.

The previous prime is 1530002137. The next prime is 1530002143. The reversal of 1530002141 is 1412000351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1059762916 + 470239225 = 32554^2 + 21685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530002141 - 22 = 1530002137 is a prime.

Together with 1530002143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530002143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765001070 + 765001071.

It is an arithmetic number, because the mean of its divisors is an integer number (765001071).

Almost surely, 21530002141 is an apocalyptic number.

It is an amenable number.

1530002141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530002141 is an equidigital number, since it uses as much as digits as its factorization.

1530002141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1530002141 is about 39115.2417990737. The cubic root of 1530002141 is about 1152.2958899976.

Adding to 1530002141 its reverse (1412000351), we get a palindrome (2942002492).

The spelling of 1530002141 in words is "one billion, five hundred thirty million, two thousand, one hundred forty-one".