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29630372689 is a prime number
BaseRepresentation
bin11011100110000110…
…111001101101010001
32211110222202220000201
4123212012321231101
5441140333411224
621340105415201
72066161004131
oct334606715521
984428686021
1029630372689
1111625633615
1258ab19a501
132a42929308
14161130cac1
15b86464a44
hex6e61b9b51

29630372689 has 2 divisors, whose sum is σ = 29630372690. Its totient is φ = 29630372688.

The previous prime is 29630372687. The next prime is 29630372701. The reversal of 29630372689 is 98627303692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19835905600 + 9794467089 = 140840^2 + 98967^2 .

It is a cyclic number.

It is not a de Polignac number, because 29630372689 - 21 = 29630372687 is a prime.

Together with 29630372687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (29630372687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14815186344 + 14815186345.

It is an arithmetic number, because the mean of its divisors is an integer number (14815186345).

Almost surely, 229630372689 is an apocalyptic number.

It is an amenable number.

29630372689 is a deficient number, since it is larger than the sum of its proper divisors (1).

29630372689 is an equidigital number, since it uses as much as digits as its factorization.

29630372689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 29630372689 in words is "twenty-nine billion, six hundred thirty million, three hundred seventy-two thousand, six hundred eighty-nine".