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74132101720 = 23531471271999
BaseRepresentation
bin100010100001010011…
…1100001101001011000
321002100101121221211001
41011002213201221120
52203310304223340
654020020114344
75233030316305
oct1050247415130
9232311557731
1074132101720
1129491703276
121244a8359b4
136cb553c361
1438337160ac
151ddd27c29a
hex11429e1a58

74132101720 has 64 divisors (see below), whose sum is σ = 175841280000. Its totient is φ = 28085715840.

The previous prime is 74132101699. The next prime is 74132101783. The reversal of 74132101720 is 2710123147.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577720 + ... + 694279.

It is an arithmetic number, because the mean of its divisors is an integer number (2747520000).

Almost surely, 274132101720 is an apocalyptic number.

It is an amenable number.

74132101720 is an abundant number, since it is smaller than the sum of its proper divisors (101709178280).

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

74132101720 is a wasteful number, since it uses less digits than its factorization.

74132101720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272088 (or 1272084 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

Adding to 74132101720 its reverse (2710123147), we get a palindrome (76842224867).

The spelling of 74132101720 in words is "seventy-four billion, one hundred thirty-two million, one hundred one thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 47 62 94 124 155 188 235 248 310 376 470 620 940 1240 1457 1880 2914 5828 7285 11656 14570 29140 58280 1271999 2543998 5087996 6359995 10175992 12719990 25439980 39431969 50879960 59783953 78863938 119567906 157727876 197159845 239135812 298919765 315455752 394319690 478271624 597839530 788639380 1195679060 1577278760 1853302543 2391358120 3706605086 7413210172 9266512715 14826420344 18533025430 37066050860 74132101720