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129710698 = 21313138083
BaseRepresentation
bin1111011101100…
…11101001101010
3100001001222121221
413232303221222
5231201220243
620512052254
73133344205
oct756635152
9301058557
10129710698
1167244627
123753408a
1320b46bc0
141332693c
15b5c2bed
hex7bb3a6a

129710698 has 16 divisors (see below), whose sum is σ = 211137696. Its totient is φ = 59407920.

The previous prime is 129710689. The next prime is 129710699. The reversal of 129710698 is 896017921.

129710698 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (129710699) 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 in 7 ways as a sum of consecutive naturals, for example, 15636 + ... + 22447.

It is an arithmetic number, because the mean of its divisors is an integer number (13196106).

Almost surely, 2129710698 is an apocalyptic number.

129710698 is a deficient number, since it is larger than the sum of its proper divisors (81426998).

129710698 is a wasteful number, since it uses less digits than its factorization.

129710698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38229.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 129710698 is about 11389.0604529083. The cubic root of 129710698 is about 506.2036419879.

The spelling of 129710698 in words is "one hundred twenty-nine million, seven hundred ten thousand, six hundred ninety-eight".

Divisors: 1 2 13 26 131 262 1703 3406 38083 76166 495079 990158 4988873 9977746 64855349 129710698