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30885297200 = 2452757101999
BaseRepresentation
bin11100110000111010…
…000011110000110000
32221201110010122211022
4130300322003300300
51001223114002300
622104415035012
72142236460152
oct346072036060
987643118738
1030885297200
1112109a43a0a
125b9b50ba68
132bb29114b4
1416cdc58ad2
15c0b6ee285
hex730e83c30

30885297200 has 60 divisors (see below), whose sum is σ = 74300676000. Its totient is φ = 12337678080.

The previous prime is 30885297197. The next prime is 30885297217. The reversal of 30885297200 is 279258803.

It is a super-4 number, since 4×308852972004 (a number of 43 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251801 + ... + 353799.

It is an arithmetic number, because the mean of its divisors is an integer number (1238344600).

Almost surely, 230885297200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30885297200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37150338000).

30885297200 is an abundant number, since it is smaller than the sum of its proper divisors (43415378800).

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

30885297200 is a wasteful number, since it uses less digits than its factorization.

30885297200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102774 (or 102763 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 30885297200 in words is "thirty billion, eight hundred eighty-five million, two hundred ninety-seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 757 1514 3028 3785 6056 7570 12112 15140 18925 30280 37850 60560 75700 101999 151400 203998 302800 407996 509995 815992 1019990 1631984 2039980 2549975 4079960 5099950 8159920 10199900 20399800 40799600 77213243 154426486 308852972 386066215 617705944 772132430 1235411888 1544264860 1930331075 3088529720 3860662150 6177059440 7721324300 15442648600 30885297200