Base | Representation |
---|---|
bin | 101010010100101… |
… | …0111101101000110 |
3 | 10122222020010200201 |
4 | 1110221113231012 |
5 | 10402023144032 |
6 | 352530201114 |
7 | 50122626013 |
oct | 12451275506 |
9 | 3588203621 |
10 | 1420131142 |
11 | 669699601 |
12 | 33772319a |
13 | 1982a97b1 |
14 | d687270a |
15 | 84a1e8e7 |
hex | 54a57b46 |
1420131142 has 32 divisors (see below), whose sum is σ = 2343942144. Its totient is φ = 642384000.
The previous prime is 1420131133. The next prime is 1420131157. The reversal of 1420131142 is 2411310241.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154693 + ... + 163615.
It is an arithmetic number, because the mean of its divisors is an integer number (73248192).
Almost surely, 21420131142 is an apocalyptic number.
1420131142 is a deficient number, since it is larger than the sum of its proper divisors (923811002).
1420131142 is a wasteful number, since it uses less digits than its factorization.
1420131142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9124.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 1420131142 is about 37684.6273963270. The cubic root of 1420131142 is about 1124.0254650538.
Adding to 1420131142 its reverse (2411310241), we get a palindrome (3831441383).
The spelling of 1420131142 in words is "one billion, four hundred twenty million, one hundred thirty-one thousand, one hundred forty-two".
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