Search a number
-
+
30140100457 is a prime number
BaseRepresentation
bin11100000100011111…
…010110111101101001
32212210111220202001221
4130010133112331221
5443211331203312
621502434542041
72114620424665
oct340437267551
985714822057
1030140100457
1111867334635
125a11a37921
132ac440908c
14165ccb78a5
15bb60a0207
hex7047d6f69

30140100457 has 2 divisors, whose sum is σ = 30140100458. Its totient is φ = 30140100456.

The previous prime is 30140100317. The next prime is 30140100481. The reversal of 30140100457 is 75400104103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25226651241 + 4913449216 = 158829^2 + 70096^2 .

It is an emirp because it is prime and its reverse (75400104103) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30140100457 is a prime.

It is not a weakly prime, because it can be changed into another prime (30140100157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070050228 + 15070050229.

It is an arithmetic number, because the mean of its divisors is an integer number (15070050229).

Almost surely, 230140100457 is an apocalyptic number.

It is an amenable number.

30140100457 is a deficient number, since it is larger than the sum of its proper divisors (1).

30140100457 is an equidigital number, since it uses as much as digits as its factorization.

30140100457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The spelling of 30140100457 in words is "thirty billion, one hundred forty million, one hundred thousand, four hundred fifty-seven".