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30715442200 = 2352269570919
BaseRepresentation
bin11100100110110010…
…000111010000011000
32221021121112010120101
4130212302013100120
51000401123122300
622035510305144
72135104644112
oct344662072030
987247463511
1030715442200
1112032080383
125b526581b4
132b86680191
1416b54823b2
15beb84bb6a
hex726c87418

30715442200 has 48 divisors (see below), whose sum is σ = 71679006000. Its totient is φ = 12240481920.

The previous prime is 30715442159. The next prime is 30715442203. The reversal of 30715442200 is 224451703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30715442203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231660 + ... + 339259.

It is an arithmetic number, because the mean of its divisors is an integer number (1493312625).

Almost surely, 230715442200 is an apocalyptic number.

It is an amenable number.

30715442200 is an abundant number, since it is smaller than the sum of its proper divisors (40963563800).

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

30715442200 is a wasteful number, since it uses less digits than its factorization.

30715442200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571204 (or 571195 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 30715442200 its reverse (224451703), we get a palindrome (30939893903).

The spelling of 30715442200 in words is "thirty billion, seven hundred fifteen million, four hundred forty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 269 538 1076 1345 2152 2690 5380 6725 10760 13450 26900 53800 570919 1141838 2283676 2854595 4567352 5709190 11418380 14272975 22836760 28545950 57091900 114183800 153577211 307154422 614308844 767886055 1228617688 1535772110 3071544220 3839430275 6143088440 7678860550 15357721100 30715442200