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30221214447072 = 25311411291540677
BaseRepresentation
bin1101101111100011011001…
…10000000111010111100000
310222000010020101201000102110
412313301230300013113200
512430121021344301242
6144135233444315320
76236260603226145
oct667615460072740
9128003211630373
1030221214447072
1196a1821765340
1234810a76a2b40
1313b2b0491828c
14766a00b643cc
153761ca90a39c
hex1b7c6cc075e0

30221214447072 has 192 divisors, whose sum is σ = 88722197399808. Its totient is φ = 8927642112000.

The previous prime is 30221214447019. The next prime is 30221214447097. The reversal of 30221214447072 is 27074441212203.

It is a self number, because there is not a number n which added to its sum of digits gives 30221214447072.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 55624798 + ... + 56165474.

It is an arithmetic number, because the mean of its divisors is an integer number (462094778124).

Almost surely, 230221214447072 is an apocalyptic number.

30221214447072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30221214447072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44361098699904).

30221214447072 is an abundant number, since it is smaller than the sum of its proper divisors (58500982952736).

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

30221214447072 is a wasteful number, since it uses less digits than its factorization.

30221214447072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542033 (or 542025 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 39.

Adding to 30221214447072 its reverse (27074441212203), we get a palindrome (57295655659275).

The spelling of 30221214447072 in words is "thirty trillion, two hundred twenty-one billion, two hundred fourteen million, four hundred forty-seven thousand, seventy-two".