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29804795869 is a prime number
BaseRepresentation
bin11011110000100000…
…010001011111011101
32211221010222111122111
4123300200101133131
5442020011431434
621405300114021
72103406404412
oct336040213735
984833874574
1029804795869
1111705037302
125939695911
132a6cac99b4
14162a554109
15b9691a964
hex6f08117dd

29804795869 has 2 divisors, whose sum is σ = 29804795870. Its totient is φ = 29804795868.

The previous prime is 29804795831. The next prime is 29804795903. The reversal of 29804795869 is 96859740892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29795247769 + 9548100 = 172613^2 + 3090^2 .

It is a cyclic number.

It is not a de Polignac number, because 29804795869 - 227 = 29670578141 is a prime.

It is a super-5 number, since 5×298047958695 (a number of 54 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29804796869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14902397934 + 14902397935.

It is an arithmetic number, because the mean of its divisors is an integer number (14902397935).

Almost surely, 229804795869 is an apocalyptic number.

It is an amenable number.

29804795869 is a deficient number, since it is larger than the sum of its proper divisors (1).

29804795869 is an equidigital number, since it uses as much as digits as its factorization.

29804795869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 67.

The spelling of 29804795869 in words is "twenty-nine billion, eight hundred four million, seven hundred ninety-five thousand, eight hundred sixty-nine".