Base | Representation |
---|---|
bin | 10000111011010… |
… | …11111111000111 |
3 | 100220012100110220 |
4 | 20131223333013 |
5 | 242323000241 |
6 | 22031315423 |
7 | 3342660243 |
oct | 1035537707 |
9 | 326170426 |
10 | 142000071 |
11 | 73178834 |
12 | 3b67bb73 |
13 | 2355a815 |
14 | 14c05423 |
15 | c6ee166 |
hex | 876bfc7 |
142000071 has 8 divisors (see below), whose sum is σ = 192000384. Its totient is φ = 93333240.
The previous prime is 142000069. The next prime is 142000081. The reversal of 142000071 is 170000241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142000071 - 21 = 142000069 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 142000071.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142000081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333121 + ... + 333546.
It is an arithmetic number, because the mean of its divisors is an integer number (24000048).
Almost surely, 2142000071 is an apocalyptic number.
142000071 is a deficient number, since it is larger than the sum of its proper divisors (50000313).
142000071 is an equidigital number, since it uses as much as digits as its factorization.
142000071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 666741.
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 142000071 is about 11916.3782669064. The cubic root of 142000071 is about 521.7104315793.
The spelling of 142000071 in words is "one hundred forty-two million, seventy-one", and thus it is an aban number.
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