Base | Representation |
---|---|
bin | 10000111111101… |
… | …11011001000111 |
3 | 100221021100202100 |
4 | 20133313121013 |
5 | 242444233304 |
6 | 22051443143 |
7 | 3350556060 |
oct | 1037673107 |
9 | 327240670 |
10 | 142571079 |
11 | 73528842 |
12 | 3b8b64b3 |
13 | 236ca6b1 |
14 | 14d13567 |
15 | c7b3439 |
hex | 87f7647 |
142571079 has 24 divisors (see below), whose sum is σ = 247744640. Its totient is φ = 77180688.
The previous prime is 142571071. The next prime is 142571087. The reversal of 142571079 is 970175241.
It is a happy number.
142571079 is a `hidden beast` number, since 14 + 2 + 571 + 0 + 79 = 666.
It is an interprime number because it is at equal distance from previous prime (142571071) and next prime (142571087).
It is not a de Polignac number, because 142571079 - 23 = 142571071 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142571071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58357 + ... + 60750.
Almost surely, 2142571079 is an apocalyptic number.
142571079 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
142571079 is a deficient number, since it is larger than the sum of its proper divisors (105173561).
142571079 is a wasteful number, since it uses less digits than its factorization.
142571079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119139 (or 119136 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 36.
The square root of 142571079 is about 11940.3131868473. The cubic root of 142571079 is about 522.4087937076.
The spelling of 142571079 in words is "one hundred forty-two million, five hundred seventy-one thousand, seventy-nine".
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