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30216805349 is a prime number
BaseRepresentation
bin11100001001000011…
…111101101111100101
32212222212020202101212
4130021003331233211
5443341000232344
621514215001205
72116541415263
oct341103755745
985885222355
1030216805349
11118a6665105
125a33669205
132b072846a3
141669163433
15bbcba279e
hex7090fdbe5

30216805349 has 2 divisors, whose sum is σ = 30216805350. Its totient is φ = 30216805348.

The previous prime is 30216805343. The next prime is 30216805441. The reversal of 30216805349 is 94350861203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23109472324 + 7107333025 = 152018^2 + 84305^2 .

It is a cyclic number.

It is not a de Polignac number, because 30216805349 - 232 = 25921838053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30216805343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15108402674 + 15108402675.

It is an arithmetic number, because the mean of its divisors is an integer number (15108402675).

Almost surely, 230216805349 is an apocalyptic number.

It is an amenable number.

30216805349 is a deficient number, since it is larger than the sum of its proper divisors (1).

30216805349 is an equidigital number, since it uses as much as digits as its factorization.

30216805349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 30216805349 in words is "thirty billion, two hundred sixteen million, eight hundred five thousand, three hundred forty-nine".