Search a number
-
+
30334000321 = 72797416693
BaseRepresentation
bin11100010000000011…
…000001110011000001
32220022000202212200101
4130100003001303001
5444111001002241
621534002522401
72122463514502
oct342003016301
986260685611
1030334000321
1111956830459
125a66966401
132b25638921
14167a94cba9
15bc8101e31
hex7100c1cc1

30334000321 has 4 divisors (see below), whose sum is σ = 30334489812. Its totient is φ = 30333510832.

The previous prime is 30334000199. The next prime is 30334000343. The reversal of 30334000321 is 12300043303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17346207025 + 12987793296 = 131705^2 + 113964^2 .

It is a cyclic number.

It is not a de Polignac number, because 30334000321 - 211 = 30333998273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30334000391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135550 + ... + 281143.

It is an arithmetic number, because the mean of its divisors is an integer number (7583622453).

Almost surely, 230334000321 is an apocalyptic number.

It is an amenable number.

30334000321 is a deficient number, since it is larger than the sum of its proper divisors (489491).

30334000321 is an equidigital number, since it uses as much as digits as its factorization.

30334000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489490.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30334000321 its reverse (12300043303), we get a palindrome (42634043624).

The spelling of 30334000321 in words is "thirty billion, three hundred thirty-four million, three hundred twenty-one", and thus it is an aban number.

Divisors: 1 72797 416693 30334000321