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72929166608860 = 22519238344298239
BaseRepresentation
bin10000100101010000100101…
…000100011100100111011100
3100120012221221000100221122121
4100211100211010130213130
534024332413122440420
6415035110245352324
721234646510012522
oct2045204504344734
9316187830327577
1072929166608860
11212680a4322721
12821a1b24086a4
1331902635479c3
141401b0d1a8312
158670c58a82aa
hex42542511c9dc

72929166608860 has 48 divisors (see below), whose sum is σ = 168221052518400. Its totient is φ = 26434736817984.

The previous prime is 72929166608839. The next prime is 72929166608869. The reversal of 72929166608860 is 6880666192927.

It is a self number, because there is not a number n which added to its sum of digits gives 72929166608860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72929166608869) 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, 4172140380 + ... + 4172157859.

It is an arithmetic number, because the mean of its divisors is an integer number (3504605260800).

Almost surely, 272929166608860 is an apocalyptic number.

It is an amenable number.

72929166608860 is an abundant number, since it is smaller than the sum of its proper divisors (95291885909540).

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

72929166608860 is a wasteful number, since it uses less digits than its factorization.

72929166608860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8344298290 (or 8344298288 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 70.

The spelling of 72929166608860 in words is "seventy-two trillion, nine hundred twenty-nine billion, one hundred sixty-six million, six hundred eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1748 2185 4370 8740 8344298239 16688596478 33377192956 41721491195 83442982390 158541666541 166885964780 191918859497 317083333082 383837718994 634166666164 767675437988 792708332705 959594297485 1585416665410 1919188594970 3170833330820 3646458330443 3838377189940 7292916660886 14585833321772 18232291652215 36464583304430 72929166608860