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29008806881 is a prime number
BaseRepresentation
bin11011000001000011…
…110100001111100001
32202212200012002000212
4123001003310033201
5433402223310011
621154303223505
72044602534665
oct330103641741
982780162025
1029008806881
1111336795a6a
125756ba7b95
132973c1c6b2
1415929508a5
15b4bad708b
hex6c10f43e1

29008806881 has 2 divisors, whose sum is σ = 29008806882. Its totient is φ = 29008806880.

The previous prime is 29008806863. The next prime is 29008806899. The reversal of 29008806881 is 18860880092.

It is a balanced prime because it is at equal distance from previous prime (29008806863) and next prime (29008806899).

It can be written as a sum of positive squares in only one way, i.e., 27942131281 + 1066675600 = 167159^2 + 32660^2 .

It is a cyclic number.

It is not a de Polignac number, because 29008806881 - 210 = 29008805857 is a prime.

It is a super-2 number, since 2×290088068812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29008806581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14504403440 + 14504403441.

It is an arithmetic number, because the mean of its divisors is an integer number (14504403441).

Almost surely, 229008806881 is an apocalyptic number.

It is an amenable number.

29008806881 is a deficient number, since it is larger than the sum of its proper divisors (1).

29008806881 is an equidigital number, since it uses as much as digits as its factorization.

29008806881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 50.

The spelling of 29008806881 in words is "twenty-nine billion, eight million, eight hundred six thousand, eight hundred eighty-one".