Base | Representation |
---|---|
bin | 10000111111101… |
… | …11100111000000 |
3 | 100221021101222021 |
4 | 20133313213000 |
5 | 242444300333 |
6 | 22051451224 |
7 | 3350561500 |
oct | 1037674700 |
9 | 327241867 |
10 | 142571968 |
11 | 73529480 |
12 | 3b8b6b14 |
13 | 236cac16 |
14 | 14d13a00 |
15 | c7b382d |
hex | 87f79c0 |
142571968 has 84 divisors (see below), whose sum is σ = 359112312. Its totient is φ = 55534080.
The previous prime is 142571959. The next prime is 142571971. The reversal of 142571968 is 869175241.
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, 32430 + ... + 36562.
Almost surely, 2142571968 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142571968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179556156).
142571968 is an abundant number, since it is smaller than the sum of its proper divisors (216540344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142571968 is a wasteful number, since it uses less digits than its factorization.
142571968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4170 (or 4153 counting only the distinct ones).
The product of its digits is 120960, while the sum is 43.
The square root of 142571968 is about 11940.3504136185. The cubic root of 142571968 is about 522.4098795296.
The spelling of 142571968 in words is "one hundred forty-two million, five hundred seventy-one thousand, nine hundred sixty-eight".
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