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29744512991 is a prime number
BaseRepresentation
bin11011101100111010…
…010011111111011111
32211202221112211002022
4123230322103333133
5441404043403431
621355304050355
72102045121524
oct335472237737
984687484068
1029744512991
1111684002946
1259214639bb
132a6048105b
14162254114b
15b914ae07b
hex6ece93fdf

29744512991 has 2 divisors, whose sum is σ = 29744512992. Its totient is φ = 29744512990.

The previous prime is 29744512951. The next prime is 29744512997. The reversal of 29744512991 is 19921544792.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29744512991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29744512997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14872256495 + 14872256496.

It is an arithmetic number, because the mean of its divisors is an integer number (14872256496).

Almost surely, 229744512991 is an apocalyptic number.

29744512991 is a deficient number, since it is larger than the sum of its proper divisors (1).

29744512991 is an equidigital number, since it uses as much as digits as its factorization.

29744512991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 53.

The spelling of 29744512991 in words is "twenty-nine billion, seven hundred forty-four million, five hundred twelve thousand, nine hundred ninety-one".