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30606023533 is a prime number
BaseRepresentation
bin11100100000010000…
…101101101101101101
32220222222122002101011
4130200100231231231
51000140120223113
622021001145221
72132305623211
oct344020555555
986888562334
1030606023533
1111a86336528
125b21a8b211
132b69abc5c7
1416a4b1c941
15be1e3663d
hex72042db6d

30606023533 has 2 divisors, whose sum is σ = 30606023534. Its totient is φ = 30606023532.

The previous prime is 30606023531. The next prime is 30606023549. The reversal of 30606023533 is 33532060603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27556996009 + 3049027524 = 166003^2 + 55218^2 .

It is a cyclic number.

It is not a de Polignac number, because 30606023533 - 21 = 30606023531 is a prime.

Together with 30606023531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30606023495 and 30606023504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30606023531) 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, 15303011766 + 15303011767.

It is an arithmetic number, because the mean of its divisors is an integer number (15303011767).

Almost surely, 230606023533 is an apocalyptic number.

It is an amenable number.

30606023533 is a deficient number, since it is larger than the sum of its proper divisors (1).

30606023533 is an equidigital number, since it uses as much as digits as its factorization.

30606023533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 31.

The spelling of 30606023533 in words is "thirty billion, six hundred six million, twenty-three thousand, five hundred thirty-three".