Base | Representation |
---|---|
bin | 1111011111100… |
… | …01101010100000 |
3 | 100001112220001120 |
4 | 13233301222200 |
5 | 231232332304 |
6 | 20521332240 |
7 | 3135452562 |
oct | 757615240 |
9 | 301486046 |
10 | 129964704 |
11 | 673a8451 |
12 | 37637080 |
13 | 20c056bc |
14 | 13391332 |
15 | b6230d9 |
hex | 7bf1aa0 |
129964704 has 48 divisors (see below), whose sum is σ = 341778528. Its totient is φ = 43242752.
The previous prime is 129964691. The next prime is 129964727. The reversal of 129964704 is 407469921.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-4 number, since 4×1299647044 (a number of 34 digits) contains 4444 as substring.
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, 78574 + ... + 80210.
It is an arithmetic number, because the mean of its divisors is an integer number (7120386).
Almost surely, 2129964704 is an apocalyptic number.
It is an amenable number.
129964704 is an abundant number, since it is smaller than the sum of its proper divisors (211813824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129964704 is a wasteful number, since it uses less digits than its factorization.
129964704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2477 (or 2469 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 129964704 is about 11400.2063139226. The cubic root of 129964704 is about 506.5338509983.
The spelling of 129964704 in words is "one hundred twenty-nine million, nine hundred sixty-four thousand, seven hundred four".
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