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30339457637 is a prime number
BaseRepresentation
bin11100010000010111…
…110110001001100101
32220022102001010201012
4130100113312021211
5444113400121022
621534315512005
72122561064156
oct342027661145
986272033635
1030339457637
1111959918635
125a68758605
132b267c98c8
14167b56d92d
15bc882dde2
hex7105f6265

30339457637 has 2 divisors, whose sum is σ = 30339457638. Its totient is φ = 30339457636.

The previous prime is 30339457613. The next prime is 30339457639. The reversal of 30339457637 is 73675493303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30218259556 + 121198081 = 173834^2 + 11009^2 .

It is an emirp because it is prime and its reverse (73675493303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30339457637 - 210 = 30339456613 is a prime.

Together with 30339457639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30339457639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15169728818 + 15169728819.

It is an arithmetic number, because the mean of its divisors is an integer number (15169728819).

Almost surely, 230339457637 is an apocalyptic number.

It is an amenable number.

30339457637 is a deficient number, since it is larger than the sum of its proper divisors (1).

30339457637 is an equidigital number, since it uses as much as digits as its factorization.

30339457637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4286520, while the sum is 50.

The spelling of 30339457637 in words is "thirty billion, three hundred thirty-nine million, four hundred fifty-seven thousand, six hundred thirty-seven".