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30340352215 = 56068070443
BaseRepresentation
bin11100010000011011…
…010000100011010111
32220022110201120211201
4130100123100203113
5444114112232330
621534351013331
72122601511235
oct342033204327
986273646751
1030340352215
111195a379758
125a68b0a247
132b26a50b44
14167b723955
15bc8958eca
hex7106d08d7

30340352215 has 4 divisors (see below), whose sum is σ = 36408422664. Its totient is φ = 24272281768.

The previous prime is 30340352201. The next prime is 30340352219. The reversal of 30340352215 is 51225304303.

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

It is a cyclic number.

It is not a de Polignac number, because 30340352215 - 225 = 30306797783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30340352219) 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, 3034035217 + ... + 3034035226.

It is an arithmetic number, because the mean of its divisors is an integer number (9102105666).

Almost surely, 230340352215 is an apocalyptic number.

30340352215 is a deficient number, since it is larger than the sum of its proper divisors (6068070449).

30340352215 is an equidigital number, since it uses as much as digits as its factorization.

30340352215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068070448.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 30340352215 its reverse (51225304303), we get a palindrome (81565656518).

The spelling of 30340352215 in words is "thirty billion, three hundred forty million, three hundred fifty-two thousand, two hundred fifteen".

Divisors: 1 5 6068070443 30340352215