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30010300030020 = 2235500171667167
BaseRepresentation
bin1101101001011010100010…
…10001011101110001000100
310221020221211102000111102110
412310231101101131301010
512413142043301430040
6143454312544341020
76215113132244232
oct664552121356104
9127227742014373
1030010300030020
11962032a000062
123448244914770
131398c6133807b
1475a7132cd952
1537098419e980
hex1b4b5145dc44

30010300030020 has 24 divisors (see below), whose sum is σ = 84028840084224. Its totient is φ = 8002746674656.

The previous prime is 30010300030019. The next prime is 30010300030033. The reversal of 30010300030020 is 2003000301003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30010300029978 and 30010300030005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250085833524 + ... + 250085833643.

It is an arithmetic number, because the mean of its divisors is an integer number (3501201670176).

Almost surely, 230010300030020 is an apocalyptic number.

30010300030020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30010300030020 is an abundant number, since it is smaller than the sum of its proper divisors (54018540054204).

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

30010300030020 is a wasteful number, since it uses less digits than its factorization.

30010300030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500171667179 (or 500171667177 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 30010300030020 its reverse (2003000301003), we get a palindrome (32013300331023).

The spelling of 30010300030020 in words is "thirty trillion, ten billion, three hundred million, thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 500171667167 1000343334334 1500515001501 2000686668668 2500858335835 3001030003002 5001716671670 6002060006004 7502575007505 10003433343340 15005150015010 30010300030020