Base | Representation |
---|---|
bin | 101010100011111… |
… | …1101101101100110 |
3 | 10200112022121001202 |
4 | 1111013331231212 |
5 | 10411101314032 |
6 | 353414122502 |
7 | 50251040645 |
oct | 12507755546 |
9 | 3615277052 |
10 | 1428151142 |
11 | 673177100 |
12 | 33a350432 |
13 | 199b57062 |
14 | d795d35c |
15 | 855a5d62 |
hex | 551fdb66 |
1428151142 has 24 divisors (see below), whose sum is σ = 2367905400. Its totient is φ = 645513440.
The previous prime is 1428151111. The next prime is 1428151201. The reversal of 1428151142 is 2411518241.
It is a happy number.
It is a super-3 number, since 3×14281511423 (a number of 28 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26834 + ... + 59802.
It is an arithmetic number, because the mean of its divisors is an integer number (98662725).
Almost surely, 21428151142 is an apocalyptic number.
1428151142 is a deficient number, since it is larger than the sum of its proper divisors (939754258).
1428151142 is a wasteful number, since it uses less digits than its factorization.
1428151142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33172 (or 33161 counting only the distinct ones).
The product of its digits is 2560, while the sum is 29.
The square root of 1428151142 is about 37790.8870231965. The cubic root of 1428151142 is about 1126.1374220099.
Adding to 1428151142 its reverse (2411518241), we get a palindrome (3839669383).
The spelling of 1428151142 in words is "one billion, four hundred twenty-eight million, one hundred fifty-one thousand, one hundred forty-two".
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