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30354731929 is a prime number
BaseRepresentation
bin11100010001010010…
…000111001110011001
32220100110210011002201
4130101102013032121
5444131302410204
621540023130201
72123134651504
oct342122071631
986313704081
1030354731929
1111967500415
125a718a3961
132b29a17052
14167d5c813b
15bc9d499a4
hex711487399

30354731929 has 2 divisors, whose sum is σ = 30354731930. Its totient is φ = 30354731928.

The previous prime is 30354731903. The next prime is 30354731933. The reversal of 30354731929 is 92913745303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29133369225 + 1221362704 = 170685^2 + 34948^2 .

It is an emirp because it is prime and its reverse (92913745303) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30354731929 is a prime.

It is a super-2 number, since 2×303547319292 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30354731969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15177365964 + 15177365965.

It is an arithmetic number, because the mean of its divisors is an integer number (15177365965).

Almost surely, 230354731929 is an apocalyptic number.

It is an amenable number.

30354731929 is a deficient number, since it is larger than the sum of its proper divisors (1).

30354731929 is an equidigital number, since it uses as much as digits as its factorization.

30354731929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 30354731929 in words is "thirty billion, three hundred fifty-four million, seven hundred thirty-one thousand, nine hundred twenty-nine".