Search a number
-
+
1230002387 is a prime number
BaseRepresentation
bin100100101010000…
…0101100011010011
310011201110121001222
41021110011203103
510004340034022
6322015115255
742323563535
oct11124054323
93151417058
101230002387
11581338aa9
122a3b12b2b
13167a9a583
14b94dd855
1572eb5242
hex495058d3

1230002387 has 2 divisors, whose sum is σ = 1230002388. Its totient is φ = 1230002386.

The previous prime is 1230002381. The next prime is 1230002437. The reversal of 1230002387 is 7832000321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230002387 - 210 = 1230001363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230002381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615001193 + 615001194.

It is an arithmetic number, because the mean of its divisors is an integer number (615001194).

Almost surely, 21230002387 is an apocalyptic number.

1230002387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230002387 is an equidigital number, since it uses as much as digits as its factorization.

1230002387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1230002387 is about 35071.3898641043. The cubic root of 1230002387 is about 1071.4419627880.

The spelling of 1230002387 in words is "one billion, two hundred thirty million, two thousand, three hundred eighty-seven".