| Base | Representation |
|---|---|
| bin | 1111011011101… |
| … | …11011010000000 |
| 3 | 100000121110010121 |
| 4 | 13231313122000 |
| 5 | 231120321221 |
| 6 | 20502510024 |
| 7 | 3131265610 |
| oct | 755673200 |
| 9 | 300543117 |
| 10 | 129463936 |
| 11 | 67096198 |
| 12 | 37435314 |
| 13 | 20a8b7a4 |
| 14 | 132a0a40 |
| 15 | b574a41 |
| hex | 7b77680 |
129463936 has 128 divisors (see below), whose sum is σ = 313344000. Its totient is φ = 52116480.
The previous prime is 129463933. The next prime is 129463949. The reversal of 129463936 is 639364921.
It is a tau number, because it is divible by the number of its divisors (128).
It is a super-2 number, since 2×1294639362 = 33521821449224192, which contains 22 as substring.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 129463892 and 129463901.
It is not an unprimeable number, because it can be changed into a prime (129463931) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638745 + ... + 1638823.
It is an arithmetic number, because the mean of its divisors is an integer number (2448000).
Almost surely, 2129463936 is an apocalyptic number.
129463936 is a gapful number since it is divisible by the number (16) 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 129463936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156672000).
129463936 is an abundant number, since it is smaller than the sum of its proper divisors (183880064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129463936 is an equidigital number, since it uses as much as digits as its factorization.
129463936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190 (or 178 counting only the distinct ones).
The product of its digits is 209952, while the sum is 43.
The square root of 129463936 is about 11378.2220052168. Note that the first 3 decimals coincide. The cubic root of 129463936 is about 505.8824371329.
The spelling of 129463936 in words is "one hundred twenty-nine million, four hundred sixty-three thousand, nine hundred thirty-six".
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