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29121179 is a prime number
BaseRepresentation
bin110111100010…
…1101010011011
32000210111202012
41233011222123
524423334204
62520100135
7502345253
oct157055233
960714665
1029121179
111549019a
12990464b
136057c89
143c20963
15285376e
hex1bc5a9b

29121179 has 2 divisors, whose sum is σ = 29121180. Its totient is φ = 29121178.

The previous prime is 29121173. The next prime is 29121199. The reversal of 29121179 is 97112192.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29121179 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29121173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14560589 + 14560590.

It is an arithmetic number, because the mean of its divisors is an integer number (14560590).

Almost surely, 229121179 is an apocalyptic number.

29121179 is a deficient number, since it is larger than the sum of its proper divisors (1).

29121179 is an equidigital number, since it uses as much as digits as its factorization.

29121179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 32.

The square root of 29121179 is about 5396.4042658051. The cubic root of 29121179 is about 307.6590192561.

The spelling of 29121179 in words is "twenty-nine million, one hundred twenty-one thousand, one hundred seventy-nine".