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76002138660 = 22357473850159
BaseRepresentation
bin100011011001000010…
…1001001101000100100
321021011201102200020110
41012302011021220210
52221123021414120
654525341333020
75330255343120
oct1066205115044
9237151380213
1076002138660
112a261253748
1212890b67170
137222ab19a6
14396dc20580
151e9c51c2e0
hex11b2149a24

76002138660 has 96 divisors (see below), whose sum is σ = 248381521920. Its totient is φ = 17002297728.

The previous prime is 76002138649. The next prime is 76002138661. The reversal of 76002138660 is 6683120067.

It is not an unprimeable number, because it can be changed into a prime (76002138661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1905340 + ... + 1944819.

It is an arithmetic number, because the mean of its divisors is an integer number (2587307520).

Almost surely, 276002138660 is an apocalyptic number.

76002138660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76002138660 is an abundant number, since it is smaller than the sum of its proper divisors (172379383260).

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

76002138660 is a wasteful number, since it uses less digits than its factorization.

76002138660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850225 (or 3850223 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 76002138660 in words is "seventy-six billion, two million, one hundred thirty-eight thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 47 60 70 84 94 105 140 141 188 210 235 282 329 420 470 564 658 705 940 987 1316 1410 1645 1974 2820 3290 3948 4935 6580 9870 19740 3850159 7700318 11550477 15400636 19250795 23100954 26951113 38501590 46201908 53902226 57752385 77003180 80853339 107804452 115504770 134755565 161706678 180957473 231009540 269511130 323413356 361914946 404266695 539022260 542872419 723829892 808533390 904787365 1085744838 1266702311 1617066780 1809574730 2171489676 2533404622 2714362095 3619149460 3800106933 5066809244 5428724190 6333511555 7600213866 10857448380 12667023110 15200427732 19000534665 25334046220 38001069330 76002138660