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129474967 is a prime number
BaseRepresentation
bin1111011011110…
…10000110010111
3100000122000021011
413231322012113
5231121144332
620503033051
73131343016
oct755720627
9300560234
10129474967
11670a3506
123743b787
1320a9380b
14132a4a7d
15b577e47
hex7b7a197

129474967 has 2 divisors, whose sum is σ = 129474968. Its totient is φ = 129474966.

The previous prime is 129474959. The next prime is 129474973. The reversal of 129474967 is 769474921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129474967 - 23 = 129474959 is a prime.

It is a super-3 number, since 3×1294749673 (a number of 25 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 129474967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129474977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64737483 + 64737484.

It is an arithmetic number, because the mean of its divisors is an integer number (64737484).

Almost surely, 2129474967 is an apocalyptic number.

129474967 is a deficient number, since it is larger than the sum of its proper divisors (1).

129474967 is an equidigital number, since it uses as much as digits as its factorization.

129474967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The square root of 129474967 is about 11378.7067367078. The cubic root of 129474967 is about 505.8968046622.

The spelling of 129474967 in words is "one hundred twenty-nine million, four hundred seventy-four thousand, nine hundred sixty-seven".