Base | Representation |
---|---|
bin | 100101000111001… |
… | …0001010111100101 |
3 | 10012210011111220210 |
4 | 1022032101113211 |
5 | 10022241131031 |
6 | 323322050033 |
7 | 42600331314 |
oct | 11216212745 |
9 | 3183144823 |
10 | 1245255141 |
11 | 589a06689 |
12 | 2a9049919 |
13 | 16acaac80 |
14 | bb55027b |
15 | 744c9746 |
hex | 4a3915e5 |
1245255141 has 16 divisors (see below), whose sum is σ = 1803888576. Its totient is φ = 759526656.
The previous prime is 1245255139. The next prime is 1245255161. The reversal of 1245255141 is 1415525421.
It is not a de Polignac number, because 1245255141 - 21 = 1245255139 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1245255099 and 1245255108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1245255101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136875 + ... + 145688.
It is an arithmetic number, because the mean of its divisors is an integer number (112743036).
Almost surely, 21245255141 is an apocalyptic number.
It is an amenable number.
1245255141 is a deficient number, since it is larger than the sum of its proper divisors (558633435).
1245255141 is a wasteful number, since it uses less digits than its factorization.
1245255141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282692.
The product of its digits is 8000, while the sum is 30.
The square root of 1245255141 is about 35288.1728203657. The cubic root of 1245255141 is about 1075.8526182631.
The spelling of 1245255141 in words is "one billion, two hundred forty-five million, two hundred fifty-five thousand, one hundred forty-one".
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