Search a number
-
+
30088705987 is a prime number
BaseRepresentation
bin11100000001011011…
…010011011111000011
32212122221012122010001
4130001123103133003
5443110202042422
621453401220431
72113424531614
oct340133233703
985587178101
1030088705987
111184032116a
1259b8791717
132ab6883052
141656139c0b
15bb17ec227
hex7016d37c3

30088705987 has 2 divisors, whose sum is σ = 30088705988. Its totient is φ = 30088705986.

The previous prime is 30088705979. The next prime is 30088705991. The reversal of 30088705987 is 78950788003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30088705987 - 23 = 30088705979 is a prime.

It is not a weakly prime, because it can be changed into another prime (30088705187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15044352993 + 15044352994.

It is an arithmetic number, because the mean of its divisors is an integer number (15044352994).

Almost surely, 230088705987 is an apocalyptic number.

30088705987 is a deficient number, since it is larger than the sum of its proper divisors (1).

30088705987 is an equidigital number, since it uses as much as digits as its factorization.

30088705987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 30088705987 in words is "thirty billion, eighty-eight million, seven hundred five thousand, nine hundred eighty-seven".