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129710106 = 2332402039
BaseRepresentation
bin1111011101100…
…11100000011010
3100001001221211000
413232303200122
5231201210411
620512045430
73133342401
oct756634032
9301057730
10129710106
1167244139
1237533876
1320b46856
1413326638
15b5c2956
hex7bb381a

129710106 has 16 divisors (see below), whose sum is σ = 288244800. Its totient is φ = 43236684.

The previous prime is 129710071. The next prime is 129710117. The reversal of 129710106 is 601017921.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 129710106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200966 + ... + 1201073.

It is an arithmetic number, because the mean of its divisors is an integer number (18015300).

Almost surely, 2129710106 is an apocalyptic number.

129710106 is an abundant number, since it is smaller than the sum of its proper divisors (158534694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129710106 is a wasteful number, since it uses less digits than its factorization.

129710106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402050 (or 2402044 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 129710106 is about 11389.0344630263. The cubic root of 129710106 is about 506.2028718817.

The spelling of 129710106 in words is "one hundred twenty-nine million, seven hundred ten thousand, one hundred six".

Divisors: 1 2 3 6 9 18 27 54 2402039 4804078 7206117 14412234 21618351 43236702 64855053 129710106