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27960966120 = 2335597949991
BaseRepresentation
bin11010000010100110…
…100111101111101000
32200011122111020201210
4122002212213233220
5424231001403440
620502312313120
72006620201443
oct320246475750
980148436653
1027960966120
111094926676a
1255040a27a0
132837b01b89
1414d370c65a
15ad9b05a80
hex6829a7be8

27960966120 has 128 divisors (see below), whose sum is σ = 86386176000. Its totient is φ = 7236952320.

The previous prime is 27960966113. The next prime is 27960966139. The reversal of 27960966120 is 2166906972.

It is a super-3 number, since 3×279609661203 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27960966120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534325 + ... + 584315.

It is an arithmetic number, because the mean of its divisors is an integer number (674892000).

Almost surely, 227960966120 is an apocalyptic number.

27960966120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27960966120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43193088000).

27960966120 is an abundant number, since it is smaller than the sum of its proper divisors (58425209880).

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

27960966120 is a wasteful number, since it uses less digits than its factorization.

27960966120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50143 (or 50139 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 27960966120 in words is "twenty-seven billion, nine hundred sixty million, nine hundred sixty-six thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 59 60 79 118 120 158 177 236 237 295 316 354 395 472 474 590 632 708 790 885 948 1180 1185 1416 1580 1770 1896 2360 2370 3160 3540 4661 4740 7080 9322 9480 13983 18644 23305 27966 37288 46610 49991 55932 69915 93220 99982 111864 139830 149973 186440 199964 249955 279660 299946 399928 499910 559320 599892 749865 999820 1199784 1499730 1999640 2949469 2999460 3949289 5898938 5998920 7898578 8848407 11797876 11847867 14747345 15797156 17696814 19746445 23595752 23695734 29494690 31594312 35393628 39492890 44242035 47391468 58989380 59239335 70787256 78985780 88484070 94782936 117978760 118478670 157971560 176968140 233008051 236957340 353936280 466016102 473914680 699024153 932032204 1165040255 1398048306 1864064408 2330080510 2796096612 3495120765 4660161020 5592193224 6990241530 9320322040 13980483060 27960966120