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129083371 is a prime number
BaseRepresentation
bin1111011000110…
…10011111101011
322222220010002121
413230122133223
5231021131441
620450412111
73125122234
oct754323753
9288803077
10129083371
116695627a
1237291037
13209874c1
141320208b
15b4ebdd1
hex7b1a7eb

129083371 has 2 divisors, whose sum is σ = 129083372. Its totient is φ = 129083370.

The previous prime is 129083309. The next prime is 129083389. The reversal of 129083371 is 173380921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129083371 - 27 = 129083243 is a prime.

It is not a weakly prime, because it can be changed into another prime (129083671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64541685 + 64541686.

It is an arithmetic number, because the mean of its divisors is an integer number (64541686).

Almost surely, 2129083371 is an apocalyptic number.

129083371 is a deficient number, since it is larger than the sum of its proper divisors (1).

129083371 is an equidigital number, since it uses as much as digits as its factorization.

129083371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 129083371 is about 11361.4863024166. The cubic root of 129083371 is about 505.3862626620.

The spelling of 129083371 in words is "one hundred twenty-nine million, eighty-three thousand, three hundred seventy-one".