Search a number
-
+
1530142319 is a prime number
BaseRepresentation
bin101101100110100…
…0001111001101111
310221122020021122202
41123031001321233
511113204023234
6411500132115
752626665216
oct13315017157
93848207582
101530142319
117157a8632
1236853703b
131b5016c74
1410730c07d
158e50077e
hex5b341e6f

1530142319 has 2 divisors, whose sum is σ = 1530142320. Its totient is φ = 1530142318.

The previous prime is 1530142303. The next prime is 1530142349. The reversal of 1530142319 is 9132410351.

It is a weak prime.

It is an emirp because it is prime and its reverse (9132410351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1530142319 - 24 = 1530142303 is a prime.

It is a super-2 number, since 2×15301423192 = 4682671032789395522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1530142291 and 1530142300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530142349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765071159 + 765071160.

It is an arithmetic number, because the mean of its divisors is an integer number (765071160).

Almost surely, 21530142319 is an apocalyptic number.

1530142319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530142319 is an equidigital number, since it uses as much as digits as its factorization.

1530142319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1530142319 is about 39117.0336170830. The cubic root of 1530142319 is about 1152.3310798396.

The spelling of 1530142319 in words is "one billion, five hundred thirty million, one hundred forty-two thousand, three hundred nineteen".