Base | Representation |
---|---|
bin | 100011110001000… |
… | …1000100111011101 |
3 | 10002122020221120201 |
4 | 1013202020213131 |
5 | 4424213134100 |
6 | 315030543501 |
7 | 41511640546 |
oct | 10742104735 |
9 | 3078227521 |
10 | 1200130525 |
11 | 566495910 |
12 | 295b07b91 |
13 | 16183ba09 |
14 | b55654cd |
15 | 7056436a |
hex | 478889dd |
1200130525 has 12 divisors (see below), whose sum is σ = 1623449664. Its totient is φ = 872822000.
The previous prime is 1200130523. The next prime is 1200130553. The reversal of 1200130525 is 5250310021.
It is not a de Polignac number, because 1200130525 - 21 = 1200130523 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200130523) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2181781 + ... + 2182330.
It is an arithmetic number, because the mean of its divisors is an integer number (135287472).
Almost surely, 21200130525 is an apocalyptic number.
It is an amenable number.
1200130525 is a deficient number, since it is larger than the sum of its proper divisors (423319139).
1200130525 is a wasteful number, since it uses less digits than its factorization.
1200130525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4364132 (or 4364127 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 1200130525 is about 34642.9000662473. The cubic root of 1200130525 is about 1062.6970965385.
Adding to 1200130525 its reverse (5250310021), we get a palindrome (6450440546).
The spelling of 1200130525 in words is "one billion, two hundred million, one hundred thirty thousand, five hundred twenty-five".
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