| Base | Representation |
|---|---|
| bin | 1111011011111… |
| … | …00010110110100 |
| 3 | 100000122110221120 |
| 4 | 13231330112310 |
| 5 | 231121443322 |
| 6 | 20503143540 |
| 7 | 3131411664 |
| oct | 755742664 |
| 9 | 300573846 |
| 10 | 129484212 |
| 11 | 670aa450 |
| 12 | 37444bb0 |
| 13 | 20a97aa0 |
| 14 | 132a81a4 |
| 15 | b57aa5c |
| hex | 7b7c5b4 |
129484212 has 96 divisors (see below), whose sum is σ = 361060224. Its totient is φ = 35596800.
The previous prime is 129484211. The next prime is 129484219. The reversal of 129484212 is 212484921.
It is a super-2 number, since 2×1294842122 = 33532322314521888, which contains 22 as substring.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129484211) 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 31 ways as a sum of consecutive naturals, for example, 104058 + ... + 105294.
It is an arithmetic number, because the mean of its divisors is an integer number (3761044).
Almost surely, 2129484212 is an apocalyptic number.
129484212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 129484212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180530112).
129484212 is an abundant number, since it is smaller than the sum of its proper divisors (231576012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129484212 is a wasteful number, since it uses less digits than its factorization.
129484212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1329 (or 1327 counting only the distinct ones).
The product of its digits is 9216, while the sum is 33.
The square root of 129484212 is about 11379.1129707021. The cubic root of 129484212 is about 505.9088453543.
The spelling of 129484212 in words is "one hundred twenty-nine million, four hundred eighty-four thousand, two hundred twelve".
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