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72394649327 = 72112132397421
BaseRepresentation
bin100001101101100001…
…1101010111011101111
320220212022022020012102
41003123003222323233
52141231012234302
653131352325315
75142002236400
oct1033303527357
9226768266172
1072394649327
112877a98a600
12120449a383b
136a995aba10
14370aa819a7
151d3a97b702
hex10db0eaeef

72394649327 has 144 divisors (see below), whose sum is σ = 105342664896. Its totient is φ = 49177497600.

The previous prime is 72394649323. The next prime is 72394649359.

72394649327 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 72394649327 - 22 = 72394649323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72394649323) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 171958577 + ... + 171958997.

It is an arithmetic number, because the mean of its divisors is an integer number (731546284).

Almost surely, 272394649327 is an apocalyptic number.

72394649327 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

72394649327 is a deficient number, since it is larger than the sum of its proper divisors (32948015569).

72394649327 is a wasteful number, since it uses less digits than its factorization.

72394649327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 572 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 56.

The spelling of 72394649327 in words is "seventy-two billion, three hundred ninety-four million, six hundred forty-nine thousand, three hundred twenty-seven".

Divisors: 1 7 11 13 23 49 77 91 97 121 143 161 253 299 421 539 637 679 847 1001 1067 1127 1261 1573 1771 2093 2231 2783 2947 3289 4631 4753 5473 5929 7007 7469 8827 9683 11011 11737 12397 13871 14651 15617 19481 20629 23023 24541 29003 32417 36179 38311 40837 50941 52283 60203 61789 67781 77077 82159 97097 106513 109319 125879 136367 152581 161161 171787 203021 226919 253253 268177 269951 285859 319033 356587 421421 449207 474467 530881 575113 662233 679679 745591 881153 939251 1068067 1171643 1202509 1384669 1421147 1772771 1889657 2001013 2233231 2496109 2949947 3144449 3509363 3716167 4635631 4941277 5219137 5839691 6168071 6574757 7476469 8201501 9692683 10331761 12210263 13227599 15231359 15632617 22011143 24565541 26013169 32449417 34588939 40877837 46023299 57410507 64236601 67848781 72322327 85471841 106619513 113649371 134312893 171958787 242122573 286144859 449656207 506256289 598302887 746336591 795545597 940190251 1477441823 3147593449 5568819179 6581331757 10342092761 72394649327