Base | Representation |
---|---|
bin | 1111011110010… |
… | …00101111000100 |
3 | 100001020101002112 |
4 | 13233020233010 |
5 | 231212001220 |
6 | 20514000152 |
7 | 3134154041 |
oct | 757105704 |
9 | 301211075 |
10 | 129797060 |
11 | 672a34a8 |
12 | 37576058 |
13 | 20b772c3 |
14 | 1334a1c8 |
15 | b5dd5c5 |
hex | 7bc8bc4 |
129797060 has 24 divisors (see below), whose sum is σ = 275861376. Its totient is φ = 51292640.
The previous prime is 129797047. The next prime is 129797071. The reversal of 129797060 is 60797921.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 129796999 and 129797017.
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, 37436 + ... + 40755.
It is an arithmetic number, because the mean of its divisors is an integer number (11494224).
Almost surely, 2129797060 is an apocalyptic number.
129797060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
129797060 is an abundant number, since it is smaller than the sum of its proper divisors (146064316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129797060 is a wasteful number, since it uses less digits than its factorization.
129797060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78283 (or 78281 counting only the distinct ones).
The product of its (nonzero) digits is 47628, while the sum is 41.
The square root of 129797060 is about 11392.8512673518. The cubic root of 129797060 is about 506.3159613285.
The spelling of 129797060 in words is "one hundred twenty-nine million, seven hundred ninety-seven thousand, sixty".
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