Base | Representation |
---|---|
bin | 100100101010011… |
… | …1001001111111110 |
3 | 10011201212100112202 |
4 | 1021110321033332 |
5 | 10004413323032 |
6 | 322023431502 |
7 | 42325435103 |
oct | 11124711776 |
9 | 3151770482 |
10 | 1230214142 |
11 | 581473103 |
12 | 2a3bb5592 |
13 | 167b42a81 |
14 | b9556aaa |
15 | 73007d62 |
hex | 495393fe |
1230214142 has 4 divisors (see below), whose sum is σ = 1845321216. Its totient is φ = 615107070.
The previous prime is 1230214123. The next prime is 1230214157. The reversal of 1230214142 is 2414120321.
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, 307553534 + ... + 307553537.
It is an arithmetic number, because the mean of its divisors is an integer number (461330304).
Almost surely, 21230214142 is an apocalyptic number.
1230214142 is a deficient number, since it is larger than the sum of its proper divisors (615107074).
1230214142 is an equidigital number, since it uses as much as digits as its factorization.
1230214142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615107073.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 1230214142 is about 35074.4086479017. The cubic root of 1230214142 is about 1071.5034451007.
Adding to 1230214142 its reverse (2414120321), we get a palindrome (3644334463).
The spelling of 1230214142 in words is "one billion, two hundred thirty million, two hundred fourteen thousand, one hundred forty-two".
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