Search a number
-
+
30374647291 is a prime number
BaseRepresentation
bin11100010010011110…
…000101010111111011
32220101212020221211201
4130102132011113323
5444201402203131
621542014035031
72123466146002
oct342236052773
986355227751
1030374647291
111197777309a
125a784a8a77
132b30b9aaa1
1416820cdc39
15bcb980761
hex7127855fb

30374647291 has 2 divisors, whose sum is σ = 30374647292. Its totient is φ = 30374647290.

The previous prime is 30374647283. The next prime is 30374647339. The reversal of 30374647291 is 19274647303.

It is a weak prime.

It is an emirp because it is prime and its reverse (19274647303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30374647291 - 23 = 30374647283 is a prime.

It is not a weakly prime, because it can be changed into another prime (30374647271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15187323645 + 15187323646.

It is an arithmetic number, because the mean of its divisors is an integer number (15187323646).

Almost surely, 230374647291 is an apocalyptic number.

30374647291 is a deficient number, since it is larger than the sum of its proper divisors (1).

30374647291 is an equidigital number, since it uses as much as digits as its factorization.

30374647291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 30374647291 in words is "thirty billion, three hundred seventy-four million, six hundred forty-seven thousand, two hundred ninety-one".