Base | Representation |
---|---|
bin | 1111011011010… |
… | …10011110010100 |
3 | 100000111202110200 |
4 | 13231222132110 |
5 | 231112122324 |
6 | 20501420500 |
7 | 3130655304 |
oct | 755523624 |
9 | 300452420 |
10 | 129410964 |
11 | 6705a411 |
12 | 3740a730 |
13 | 20a70647 |
14 | 13289604 |
15 | b563ec9 |
hex | 7b6a794 |
129410964 has 36 divisors (see below), whose sum is σ = 327998580. Its totient is φ = 43021440.
The previous prime is 129410959. The next prime is 129410993. The reversal of 129410964 is 469014921.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 90098064 + 39312900 = 9492^2 + 6270^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 9384 + ... + 18624.
Almost surely, 2129410964 is an apocalyptic number.
It is an amenable number.
129410964 is an abundant number, since it is smaller than the sum of its proper divisors (198587616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129410964 is a wasteful number, since it uses less digits than its factorization.
129410964 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9640 (or 9635 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 129410964 is about 11375.8939868478. The cubic root of 129410964 is about 505.8134314031.
The spelling of 129410964 in words is "one hundred twenty-nine million, four hundred ten thousand, nine hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •