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30047298893 is a prime number
BaseRepresentation
bin11011111110111101…
…010110010101001101
32212120001021221020222
4123332331112111031
5443014102031033
621445321521125
72112412553333
oct337675262515
985501257228
1030047298893
1111819a0a427
1259a69431a5
132aab115c01
14165083bb53
15bacd6d598
hex6fef5654d

30047298893 has 2 divisors, whose sum is σ = 30047298894. Its totient is φ = 30047298892.

The previous prime is 30047298889. The next prime is 30047298913. The reversal of 30047298893 is 39889274003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29997200809 + 50098084 = 173197^2 + 7078^2 .

It is a cyclic number.

It is not a de Polignac number, because 30047298893 - 22 = 30047298889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30047298803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15023649446 + 15023649447.

It is an arithmetic number, because the mean of its divisors is an integer number (15023649447).

Almost surely, 230047298893 is an apocalyptic number.

It is an amenable number.

30047298893 is a deficient number, since it is larger than the sum of its proper divisors (1).

30047298893 is an equidigital number, since it uses as much as digits as its factorization.

30047298893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 30047298893 in words is "thirty billion, forty-seven million, two hundred ninety-eight thousand, eight hundred ninety-three".