Base | Representation |
---|---|
bin | 1111011011010… |
… | …11111011110110 |
3 | 100000112001200101 |
4 | 13231223323312 |
5 | 231112320300 |
6 | 20501504314 |
7 | 3131011615 |
oct | 755537366 |
9 | 300461611 |
10 | 129416950 |
11 | 67063963 |
12 | 3741209a |
13 | 20a732a0 |
14 | 1328b87c |
15 | b565b6a |
hex | 7b6bef6 |
129416950 has 24 divisors (see below), whose sum is σ = 259233408. Its totient is φ = 47784480.
The previous prime is 129416941. The next prime is 129416977. The reversal of 129416950 is 59614921.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98902 + ... + 100201.
It is an arithmetic number, because the mean of its divisors is an integer number (10801392).
Almost surely, 2129416950 is an apocalyptic number.
129416950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
129416950 is an abundant number, since it is smaller than the sum of its proper divisors (129816458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129416950 is a wasteful number, since it uses less digits than its factorization.
129416950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 199128 (or 199123 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 37.
The square root of 129416950 is about 11376.1570840069. The cubic root of 129416950 is about 505.8212302079.
It can be divided in two parts, 12941 and 6950, that added together give a palindrome (19891).
The spelling of 129416950 in words is "one hundred twenty-nine million, four hundred sixteen thousand, nine hundred fifty".
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