Base | Representation |
---|---|
bin | 10000111100101… |
… | …00100001100011 |
3 | 100220111210020200 |
4 | 20132110201203 |
5 | 242343303430 |
6 | 22035040243 |
7 | 3344251320 |
oct | 1036244143 |
9 | 326453220 |
10 | 142166115 |
11 | 73281563 |
12 | 3b740083 |
13 | 235b8280 |
14 | 14c49b47 |
15 | c733460 |
hex | 8794863 |
142166115 has 96 divisors (see below), whose sum is σ = 306633600. Its totient is φ = 59332608.
The previous prime is 142166111. The next prime is 142166119. The reversal of 142166115 is 511661241.
142166115 is a `hidden beast` number, since 1 + 42 + 1 + 6 + 611 + 5 = 666.
It is an interprime number because it is at equal distance from previous prime (142166111) and next prime (142166119).
It is not a de Polignac number, because 142166115 - 22 = 142166111 is a prime.
It is a super-2 number, since 2×1421661152 = 40422408508386450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (142166111) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 610039 + ... + 610271.
It is an arithmetic number, because the mean of its divisors is an integer number (3194100).
Almost surely, 2142166115 is an apocalyptic number.
142166115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
142166115 is an abundant number, since it is smaller than the sum of its proper divisors (164467485).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142166115 is a wasteful number, since it uses less digits than its factorization.
142166115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 413 (or 410 counting only the distinct ones).
The product of its digits is 1440, while the sum is 27.
The square root of 142166115 is about 11923.3432811439. The cubic root of 142166115 is about 521.9137017685.
The spelling of 142166115 in words is "one hundred forty-two million, one hundred sixty-six thousand, one hundred fifteen".
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