Search a number
-
+
28058002507 is a prime number
BaseRepresentation
bin11010001000011000…
…110010010001001011
32200102102002012122001
4122020120302101023
5424430322040012
620520100211431
72012206041403
oct321030622113
980372065561
1028058002507
1110999013627
125530699b77
132851c48762
14150256b803
15ae33c2357
hex68863244b

28058002507 has 2 divisors, whose sum is σ = 28058002508. Its totient is φ = 28058002506.

The previous prime is 28058002477. The next prime is 28058002513. The reversal of 28058002507 is 70520085082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28058002507 is a prime.

It is not a weakly prime, because it can be changed into another prime (28058002517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14029001253 + 14029001254.

It is an arithmetic number, because the mean of its divisors is an integer number (14029001254).

Almost surely, 228058002507 is an apocalyptic number.

28058002507 is a deficient number, since it is larger than the sum of its proper divisors (1).

28058002507 is an equidigital number, since it uses as much as digits as its factorization.

28058002507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 37.

Adding to 28058002507 its reverse (70520085082), we get a palindrome (98578087589).

The spelling of 28058002507 in words is "twenty-eight billion, fifty-eight million, two thousand, five hundred seven".