Base | Representation |
---|---|
bin | 10100110010011001111… |
… | …110101011011100101101 |
3 | 12001120020111021012220210 |
4 | 110302121332223130231 |
5 | 141401043144042323 |
6 | 3012125524133033 |
7 | 205130604536640 |
oct | 24623176533455 |
9 | 5046214235823 |
10 | 1428512487213 |
11 | 50091306aa09 |
12 | 1b0a31b37179 |
13 | a4928a5c696 |
14 | 4d1d7281a57 |
15 | 2725b3a9293 |
hex | 14c99fab72d |
1428512487213 has 32 divisors (see below), whose sum is σ = 2204889640960. Its totient is φ = 805757284800.
The previous prime is 1428512487209. The next prime is 1428512487299. The reversal of 1428512487213 is 3127842158241.
It is not a de Polignac number, because 1428512487213 - 22 = 1428512487209 is a prime.
It is a super-2 number, since 2×14285124872132 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1428512488213) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6614331 + ... + 6826887.
It is an arithmetic number, because the mean of its divisors is an integer number (68902801280).
Almost surely, 21428512487213 is an apocalyptic number.
It is an amenable number.
1428512487213 is a deficient number, since it is larger than the sum of its proper divisors (776377153747).
1428512487213 is a wasteful number, since it uses less digits than its factorization.
1428512487213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216697.
The product of its digits is 860160, while the sum is 48.
The spelling of 1428512487213 in words is "one trillion, four hundred twenty-eight billion, five hundred twelve million, four hundred eighty-seven thousand, two hundred thirteen".
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