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30057302917 is a prime number
BaseRepresentation
bin11011111111100011…
…100000101110000101
32212120202010012012101
4123333203200232011
5443024132143132
621450320152101
72112563600515
oct337743405605
985522105171
1030057302917
1111824622614
1259aa168631
132ab0209555
141651cc3845
15badb977e7
hex6ff8e0b85

30057302917 has 2 divisors, whose sum is σ = 30057302918. Its totient is φ = 30057302916.

The previous prime is 30057302831. The next prime is 30057302921. The reversal of 30057302917 is 71920375003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20270355876 + 9786947041 = 142374^2 + 98929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30057302917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30057392917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15028651458 + 15028651459.

It is an arithmetic number, because the mean of its divisors is an integer number (15028651459).

Almost surely, 230057302917 is an apocalyptic number.

It is an amenable number.

30057302917 is a deficient number, since it is larger than the sum of its proper divisors (1).

30057302917 is an equidigital number, since it uses as much as digits as its factorization.

30057302917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 37.

The spelling of 30057302917 in words is "thirty billion, fifty-seven million, three hundred two thousand, nine hundred seventeen".