Base | Representation |
---|---|
bin | 10000111100011… |
… | …10101110010011 |
3 | 100220110120122200 |
4 | 20132032232103 |
5 | 242342023410 |
6 | 22034334243 |
7 | 3344122125 |
oct | 1036165623 |
9 | 326416580 |
10 | 142142355 |
11 | 73265723 |
12 | 3b72a383 |
13 | 235aa504 |
14 | 14c41215 |
15 | c72b3c0 |
hex | 878eb93 |
142142355 has 48 divisors (see below), whose sum is σ = 264648384. Its totient is φ = 70318080.
The previous prime is 142142353. The next prime is 142142381. The reversal of 142142355 is 553241241.
142142355 is a `hidden beast` number, since 1 + 421 + 4 + 235 + 5 = 666.
It is not a de Polignac number, because 142142355 - 21 = 142142353 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142142353) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53007 + ... + 55623.
It is an arithmetic number, because the mean of its divisors is an integer number (5513508).
Almost surely, 2142142355 is an apocalyptic number.
142142355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
142142355 is a deficient number, since it is larger than the sum of its proper divisors (122506029).
142142355 is a wasteful number, since it uses less digits than its factorization.
142142355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2716 (or 2713 counting only the distinct ones).
The product of its digits is 4800, while the sum is 27.
The square root of 142142355 is about 11922.3468746719. The cubic root of 142142355 is about 521.8846246089.
Adding to 142142355 its reverse (553241241), we get a palindrome (695383596).
The spelling of 142142355 in words is "one hundred forty-two million, one hundred forty-two thousand, three hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •