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1300013212 = 22196124597
BaseRepresentation
bin100110101111100…
…1010000010011100
310100121012111212111
41031133022002130
510130300410322
6332555443404
744133633661
oct11537120234
93317174774
101300013212
11607907193
12303456564
13179440cb4
14c4925a68
15791e4177
hex4d7ca09c

1300013212 has 36 divisors (see below), whose sum is σ = 2435192760. Its totient is φ = 605568960.

The previous prime is 1300013191. The next prime is 1300013219. The reversal of 1300013212 is 2123100031.

It is a junction number, because it is equal to n+sod(n) for n = 1300013192 and 1300013201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300013219) 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, 280498 + ... + 285094.

Almost surely, 21300013212 is an apocalyptic number.

It is an amenable number.

1300013212 is a deficient number, since it is larger than the sum of its proper divisors (1135179548).

1300013212 is a wasteful number, since it uses less digits than its factorization.

1300013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742 (or 4679 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1300013212 is about 36055.6959716492. The cubic root of 1300013212 is about 1091.3965803519.

Adding to 1300013212 its reverse (2123100031), we get a palindrome (3423113243).

The spelling of 1300013212 in words is "one billion, three hundred million, thirteen thousand, two hundred twelve".

Divisors: 1 2 4 19 38 61 76 122 244 1159 2318 3721 4597 4636 7442 9194 14884 18388 70699 87343 141398 174686 280417 282796 349372 560834 1121668 5327923 10655846 17105437 21311692 34210874 68421748 325003303 650006606 1300013212