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29185996848 = 2431773489961
BaseRepresentation
bin11011001011100111…
…101111100000110000
32210100000121020222020
4123023213233200300
5434233103344343
621224033111440
72052153610551
oct331347574060
983300536866
1029185996848
1111417809458
1257a63b8580
1329a184b528
1415ac2b6328
15b5c437b83
hex6cb9ef830

29185996848 has 80 divisors (see below), whose sum is σ = 80926043616. Its totient is φ = 9030942720.

The previous prime is 29185996841. The next prime is 29185996849. The reversal of 29185996848 is 84869958192.

It is a super-2 number, since 2×291859968482 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29185996841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185413 + ... + 304548.

Almost surely, 229185996848 is an apocalyptic number.

It is an amenable number.

29185996848 is an abundant number, since it is smaller than the sum of its proper divisors (51740046768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29185996848 is a wasteful number, since it uses less digits than its factorization.

29185996848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490062 (or 490056 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 69.

The spelling of 29185996848 in words is "twenty-nine billion, one hundred eighty-five million, nine hundred ninety-six thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 73 102 136 146 204 219 272 292 408 438 584 816 876 1168 1241 1752 2482 3504 3723 4964 7446 9928 14892 19856 29784 59568 489961 979922 1469883 1959844 2939766 3919688 5879532 7839376 8329337 11759064 16658674 23518128 24988011 33317348 35767153 49976022 66634696 71534306 99952044 107301459 133269392 143068612 199904088 214602918 286137224 399808176 429205836 572274448 608041601 858411672 1216083202 1716823344 1824124803 2432166404 3648249606 4864332808 7296499212 9728665616 14592998424 29185996848