Base | Representation |
---|---|
bin | 1111011101110… |
… | …00100000101010 |
3 | 100001002222221010 |
4 | 13232320200222 |
5 | 231202334402 |
6 | 20512324350 |
7 | 3133456221 |
oct | 756704052 |
9 | 301088833 |
10 | 129730602 |
11 | 67258581 |
12 | 375436b6 |
13 | 20b52c91 |
14 | 1332dcb8 |
15 | b5c8a6c |
hex | 7bb882a |
129730602 has 8 divisors (see below), whose sum is σ = 259461216. Its totient is φ = 43243532.
The previous prime is 129730597. The next prime is 129730609. The reversal of 129730602 is 206037921.
It is a sphenic number, since it is the product of 3 distinct primes.
129730602 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 129730602.
It is not an unprimeable number, because it can be changed into a prime (129730609) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10810878 + ... + 10810889.
It is an arithmetic number, because the mean of its divisors is an integer number (32432652).
Almost surely, 2129730602 is an apocalyptic number.
129730602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129730602 is a wasteful number, since it uses less digits than its factorization.
129730602 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21621772.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 129730602 is about 11389.9342403721. The cubic root of 129730602 is about 506.2295328412.
The spelling of 129730602 in words is "one hundred twenty-nine million, seven hundred thirty thousand, six hundred two".
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