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30003123030220 = 22515713229722287
BaseRepresentation
bin1101101001001101001010…
…11111011000100011001100
310221020021022020020010120001
412310212211133120203030
512413032343443431340
6143451124444334044
76214440233613454
oct664464537304314
9127207266203501
1030003123030220
11961828685296a
123446981244324
13139838946ba22
1475a23205ad64
153706b407129a
hex1b49a57d88cc

30003123030220 has 48 divisors (see below), whose sum is σ = 63412754912640. Its totient is φ = 11923890211584.

The previous prime is 30003123030217. The next prime is 30003123030229. The reversal of 30003123030220 is 2203032130003.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30003123030229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41177917 + ... + 41900203.

It is an arithmetic number, because the mean of its divisors is an integer number (1321099060680).

Almost surely, 230003123030220 is an apocalyptic number.

It is an amenable number.

30003123030220 is an abundant number, since it is smaller than the sum of its proper divisors (33409631882420).

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

30003123030220 is a wasteful number, since it uses less digits than its factorization.

30003123030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735682 (or 735680 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30003123030220 its reverse (2203032130003), we get a palindrome (32206155160223).

The spelling of 30003123030220 in words is "thirty trillion, three billion, one hundred twenty-three million, thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140 13229 26458 52916 66145 132290 264580 722287 1444574 2076953 2889148 3611435 4153906 7222870 8307812 10384765 14445740 20769530 41539060 113399059 226798118 453596236 566995295 1133990590 2267981180 9555134723 19110269446 38220538892 47775673615 95551347230 191102694460 1500156151511 3000312303022 6000624606044 7500780757555 15001561515110 30003123030220