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30310110221200 = 2452101750250253
BaseRepresentation
bin1101110010001000111110…
…10110100101001110010000
310222022121200200210020102021
412321010133112211032100
512433100101204034300
6144244134501301224
76245555533646245
oct671043726451620
9128277620706367
1030310110221200
11972649a045167
123496376704814
1313bb300a3a264
1476b0351435cc
1537867ed68d1a
hex1b911f5a5390

30310110221200 has 60 divisors (see below), whose sum is σ = 73541030397588. Its totient is φ = 12004004032000.

The previous prime is 30310110221179. The next prime is 30310110221311. The reversal of 30310110221200 is 212201101303.

It can be written as a sum of positive squares in 6 ways, for example, as 746661897216 + 29563448323984 = 864096^2 + 5437228^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 375084727 + ... + 375165526.

Almost surely, 230310110221200 is an apocalyptic number.

It is an amenable number.

30310110221200 is an abundant number, since it is smaller than the sum of its proper divisors (43230920176388).

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

30310110221200 is a wasteful number, since it uses less digits than its factorization.

30310110221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750250372 (or 750250361 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30310110221200 its reverse (212201101303), we get a palindrome (30522311322503).

The spelling of 30310110221200 in words is "thirty trillion, three hundred ten billion, one hundred ten million, two hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 101 200 202 400 404 505 808 1010 1616 2020 2525 4040 5050 8080 10100 20200 40400 750250253 1500500506 3001001012 3751251265 6002002024 7502502530 12004004048 15005005060 18756256325 30010010120 37512512650 60020020240 75025025300 75775275553 150050050600 151550551106 300100101200 303101102212 378876377765 606202204424 757752755530 1212404408848 1515505511060 1894381888825 3031011022120 3788763777650 6062022044240 7577527555300 15155055110600 30310110221200