Base | Representation |
---|---|
bin | 10000111100011… |
… | …10101001100111 |
3 | 100220110120020120 |
4 | 20132032221213 |
5 | 242342021210 |
6 | 22034333023 |
7 | 3344121216 |
oct | 1036165147 |
9 | 326416216 |
10 | 142142055 |
11 | 73265480 |
12 | 3b72a173 |
13 | 235aa333 |
14 | 14c4107d |
15 | c72b270 |
hex | 878ea67 |
142142055 has 32 divisors (see below), whose sum is σ = 248866560. Its totient is φ = 68705280.
The previous prime is 142142029. The next prime is 142142089. The reversal of 142142055 is 550241241.
It is not a de Polignac number, because 142142055 - 27 = 142141927 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61399 + ... + 63671.
It is an arithmetic number, because the mean of its divisors is an integer number (7777080).
Almost surely, 2142142055 is an apocalyptic number.
142142055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
142142055 is a deficient number, since it is larger than the sum of its proper divisors (106724505).
142142055 is a wasteful number, since it uses less digits than its factorization.
142142055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2671.
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 142142055 is about 11922.3342932498. The cubic root of 142142055 is about 521.8842574523.
Adding to 142142055 its reverse (550241241), we get a palindrome (692383296).
The spelling of 142142055 in words is "one hundred forty-two million, one hundred forty-two thousand, fifty-five".
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