Base | Representation |
---|---|
bin | 10001000000110… |
… | …00000101110011 |
3 | 100221112011110210 |
4 | 20200120011303 |
5 | 243013030021 |
6 | 22054355203 |
7 | 3351654411 |
oct | 1040300563 |
9 | 327464423 |
10 | 142705011 |
11 | 7360a429 |
12 | 3b95bb03 |
13 | 23746647 |
14 | 14d4a2b1 |
15 | c7dce76 |
hex | 8818173 |
142705011 has 16 divisors (see below), whose sum is σ = 193939200. Its totient is φ = 93311328.
The previous prime is 142705001. The next prime is 142705063. The reversal of 142705011 is 110507241.
It is a happy number.
It is not a de Polignac number, because 142705011 - 27 = 142704883 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142705001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128125 + ... + 129233.
It is an arithmetic number, because the mean of its divisors is an integer number (12121200).
Almost surely, 2142705011 is an apocalyptic number.
142705011 is a deficient number, since it is larger than the sum of its proper divisors (51234189).
142705011 is a wasteful number, since it uses less digits than its factorization.
142705011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1898.
The product of its (nonzero) digits is 280, while the sum is 21.
The square root of 142705011 is about 11945.9202659318. The cubic root of 142705011 is about 522.5723270068.
The spelling of 142705011 in words is "one hundred forty-two million, seven hundred five thousand, eleven".
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