Base | Representation |
---|---|
bin | 10001000000000… |
… | …11010111111001 |
3 | 100221100212001220 |
4 | 20200003113321 |
5 | 243002321103 |
6 | 22052502253 |
7 | 3351152124 |
oct | 1040032771 |
9 | 327325056 |
10 | 142620153 |
11 | 735616a5 |
12 | 3b91a989 |
13 | 23716b30 |
14 | 14d273bb |
15 | c7c2c53 |
hex | 88035f9 |
142620153 has 16 divisors (see below), whose sum is σ = 207848256. Its totient is φ = 86454720.
The previous prime is 142620133. The next prime is 142620161. The reversal of 142620153 is 351026241.
It is not a de Polignac number, because 142620153 - 29 = 142619641 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142620133) 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, 24678 + ... + 29903.
It is an arithmetic number, because the mean of its divisors is an integer number (12990516).
Almost surely, 2142620153 is an apocalyptic number.
142620153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
142620153 is a deficient number, since it is larger than the sum of its proper divisors (65228103).
142620153 is a wasteful number, since it uses less digits than its factorization.
142620153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54664.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 142620153 is about 11942.3679812674. The cubic root of 142620153 is about 522.4687257977.
Adding to 142620153 its reverse (351026241), we get a palindrome (493646394).
The spelling of 142620153 in words is "one hundred forty-two million, six hundred twenty thousand, one hundred fifty-three".
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