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5212246809 = 3711611073457
BaseRepresentation
bin1001101101010110…
…01001001100011001
3111110020202120110010
410312223021030121
541133313344214
62221112312133
7243110236560
oct46653111431
914406676403
105212246809
1122351a51a0
1210156a2649
13650b13313
14376350bd7
152078ce659
hex136ac9319

5212246809 has 64 divisors (see below), whose sum is σ = 8891430912. Its totient is φ = 2637619200.

The previous prime is 5212246799. The next prime is 5212246847. The reversal of 5212246809 is 9086422125.

It is not a de Polignac number, because 5212246809 - 25 = 5212246777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5212246409) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1506009 + ... + 1509465.

It is an arithmetic number, because the mean of its divisors is an integer number (138928608).

Almost surely, 25212246809 is an apocalyptic number.

It is an amenable number.

5212246809 is a deficient number, since it is larger than the sum of its proper divisors (3679184103).

5212246809 is a wasteful number, since it uses less digits than its factorization.

5212246809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 5212246809 is about 72195.8919122134. The cubic root of 5212246809 is about 1733.8372295791.

The spelling of 5212246809 in words is "five billion, two hundred twelve million, two hundred forty-six thousand, eight hundred nine".

Divisors: 1 3 7 11 21 33 61 77 107 183 231 321 427 671 749 1177 1281 2013 2247 3457 3531 4697 6527 8239 10371 14091 19581 24199 24717 38027 45689 71797 72597 114081 137067 210877 215391 266189 369899 502579 632631 798567 1109697 1476139 1507737 2319647 2589293 4068889 4428417 6958941 7767879 12206667 16237529 22563839 28482223 48712587 67691517 85446669 157946873 248202229 473840619 744606687 1737415603 5212246809