Base | Representation |
---|---|
bin | 111100010010111100… |
… | …0111101000001011100 |
3 | 110101020000022120222120 |
4 | 1320211320331001130 |
5 | 4110141041042014 |
6 | 135252350342540 |
7 | 12232515561102 |
oct | 1704570750134 |
9 | 411200276876 |
10 | 129484705884 |
11 | 4aa06817026 |
12 | 211181baa50 |
13 | c2971c6281 |
14 | 63a4c91c72 |
15 | 357c9c8ba9 |
hex | 1e25e3d05c |
129484705884 has 72 divisors (see below), whose sum is σ = 305056577280. Its totient is φ = 42747231552.
The previous prime is 129484705877. The next prime is 129484705951. The reversal of 129484705884 is 488507484921.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124623837 + ... + 124624875.
Almost surely, 2129484705884 is an apocalyptic number.
It is an amenable number.
129484705884 is an abundant number, since it is smaller than the sum of its proper divisors (175571871396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129484705884 is a wasteful number, since it uses less digits than its factorization.
129484705884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1739 (or 1564 counting only the distinct ones).
The product of its (nonzero) digits is 20643840, while the sum is 60.
The spelling of 129484705884 in words is "one hundred twenty-nine billion, four hundred eighty-four million, seven hundred five thousand, eight hundred eighty-four".
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