Base | Representation |
---|---|
bin | 10001000000011… |
… | …00001010101000 |
3 | 100221102200110210 |
4 | 20200030022220 |
5 | 243004444133 |
6 | 22053341120 |
7 | 3351362124 |
oct | 1040141250 |
9 | 327380423 |
10 | 142656168 |
11 | 73586766 |
12 | 3b9377a0 |
13 | 2372a345 |
14 | 14d36584 |
15 | c7cd763 |
hex | 880c2a8 |
142656168 has 16 divisors (see below), whose sum is σ = 356640480. Its totient is φ = 47552048.
The previous prime is 142656149. The next prime is 142656169. The reversal of 142656168 is 861656241.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (142656169) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2971980 + ... + 2972027.
It is an arithmetic number, because the mean of its divisors is an integer number (22290030).
Almost surely, 2142656168 is an apocalyptic number.
It is an amenable number.
142656168 is an abundant number, since it is smaller than the sum of its proper divisors (213984312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142656168 is a wasteful number, since it uses less digits than its factorization.
142656168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5944016 (or 5944012 counting only the distinct ones).
The product of its digits is 69120, while the sum is 39.
The square root of 142656168 is about 11943.8757528702. The cubic root of 142656168 is about 522.5127007131.
The spelling of 142656168 in words is "one hundred forty-two million, six hundred fifty-six thousand, one hundred sixty-eight".
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