Base | Representation |
---|---|
bin | 1100010010000… |
… | …01110101111110 |
3 | 21011212110210012 |
4 | 12021001311332 |
5 | 202333431032 |
6 | 14120143222 |
7 | 2360512265 |
oct | 611016576 |
9 | 234773705 |
10 | 103030142 |
11 | 53181086 |
12 | 2a607b12 |
13 | 18464aa7 |
14 | d97d5dc |
15 | 90a26b2 |
hex | 6241d7e |
103030142 has 4 divisors (see below), whose sum is σ = 154545216. Its totient is φ = 51515070.
The previous prime is 103030129. The next prime is 103030153. The reversal of 103030142 is 241030301.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25757534 + ... + 25757537.
It is an arithmetic number, because the mean of its divisors is an integer number (38636304).
Almost surely, 2103030142 is an apocalyptic number.
103030142 is a deficient number, since it is larger than the sum of its proper divisors (51515074).
103030142 is an equidigital number, since it uses as much as digits as its factorization.
103030142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51515073.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 103030142 is about 10150.3764462211. The cubic root of 103030142 is about 468.8005358967.
Adding to 103030142 its reverse (241030301), we get a palindrome (344060443).
The spelling of 103030142 in words is "one hundred three million, thirty thousand, one hundred forty-two".
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