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825300752972 = 2217237149129499
BaseRepresentation
bin11000000001001111100…
…00100001101001001100
32220220020121222011022112
430000213300201221030
5102010203443043342
61431045443203152
7113424502440143
oct14004760415114
92826217864275
10825300752972
1129900a8399a3
12113b476764b8
135ca968b5617
142bd3263a75a
15167045c1682
hexc027c21a4c

825300752972 has 72 divisors (see below), whose sum is σ = 1586284350000. Its totient is φ = 375341147136.

The previous prime is 825300752933. The next prime is 825300752999. The reversal of 825300752972 is 279257003528.

It is a super-2 number, since 2×8253007529722 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 825300752972.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6308279 + ... + 6437777.

Almost surely, 2825300752972 is an apocalyptic number.

It is an amenable number.

825300752972 is a deficient number, since it is larger than the sum of its proper divisors (760983597028).

825300752972 is a wasteful number, since it uses less digits than its factorization.

825300752972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129723 (or 129704 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 825300752972 in words is "eight hundred twenty-five billion, three hundred million, seven hundred fifty-two thousand, nine hundred seventy-two".

Divisors: 1 2 4 17 34 37 68 74 148 149 289 298 578 596 629 1156 1258 2516 2533 5066 5513 10132 10693 11026 21386 22052 42772 43061 86122 93721 129499 172244 187442 258998 374884 517996 1593257 2201483 3186514 4402966 4791463 6373028 8805932 9582926 19165852 19295351 37425211 38590702 74850422 77181404 81454871 149700844 162909742 325819484 328020967 656041934 713927987 1312083868 1384732807 1427855974 2769465614 2855711948 5538931228 5576356439 11152712878 12136775779 22305425756 24273551558 48547103116 206325188243 412650376486 825300752972