Base | Representation |
---|---|
bin | 10001000011100… |
… | …01101011100000 |
3 | 100222012210211210 |
4 | 20201301223200 |
5 | 243111300333 |
6 | 22110310120 |
7 | 3355043304 |
oct | 1041615340 |
9 | 328183753 |
10 | 143071968 |
11 | 738400a6 |
12 | 3bab8340 |
13 | 23844690 |
14 | 15003d04 |
15 | c861a63 |
hex | 8871ae0 |
143071968 has 48 divisors (see below), whose sum is σ = 404456976. Its totient is φ = 44021760.
The previous prime is 143071961. The next prime is 143071969. The reversal of 143071968 is 869170341.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143071961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56073 + ... + 58568.
It is an arithmetic number, because the mean of its divisors is an integer number (8426187).
Almost surely, 2143071968 is an apocalyptic number.
It is an amenable number.
143071968 is an abundant number, since it is smaller than the sum of its proper divisors (261385008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143071968 is a wasteful number, since it uses less digits than its factorization.
143071968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114667 (or 114659 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 143071968 is about 11961.2694978418. The cubic root of 143071968 is about 523.0198642933.
The spelling of 143071968 in words is "one hundred forty-three million, seventy-one thousand, nine hundred sixty-eight".
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