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2125984980 = 2235717297757
BaseRepresentation
bin111111010110111…
…1111010011010100
312111011102020010110
41332231333103110
513323223004410
6550543123020
7103453400640
oct17655772324
95434366113
102125984980
119a1076a89
124b3ba3470
1327b5b84a2
141624d1c20
15c699b720
hex7eb7f4d4

2125984980 has 96 divisors (see below), whose sum is σ = 7203361536. Its totient is φ = 457353216.

The previous prime is 2125984957. The next prime is 2125984999. The reversal of 2125984980 is 894895212.

It is a congruent number.

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, 141739 + ... + 156018.

It is an arithmetic number, because the mean of its divisors is an integer number (75035016).

Almost surely, 22125984980 is an apocalyptic number.

2125984980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125984980 is an abundant number, since it is smaller than the sum of its proper divisors (5077376556).

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

2125984980 is a wasteful number, since it uses less digits than its factorization.

2125984980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297793 (or 297791 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 2125984980 is about 46108.4046568519. The cubic root of 2125984980 is about 1285.8394047196.

The spelling of 2125984980 in words is "two billion, one hundred twenty-five million, nine hundred eighty-four thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1020 1190 1428 1785 2380 3570 7140 297757 595514 893271 1191028 1488785 1786542 2084299 2977570 3573084 4168598 4466355 5061869 5955140 6252897 8337196 8932710 10123738 10421495 12505794 15185607 17865420 20247476 20842990 25011588 25309345 30371214 31264485 35433083 41685980 50618690 60742428 62528970 70866166 75928035 101237380 106299249 125057940 141732332 151856070 177165415 212598498 303712140 354330830 425196996 531496245 708661660 1062992490 2125984980