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30221240425412 = 22165730611489589
BaseRepresentation
bin1101101111100011011100…
…10011001101101111000100
310222000010022012120212000012
412313301232103031233010
512430121100022103122
6144135240213205352
76236261340104561
oct667615623155704
9128003265525005
1030221240425412
1196a1835399243
1234810b4330858
1313b2b0a11288a
14766a043a7868
153761ccd3c7e2
hex1b7c6e4cdbc4

30221240425412 has 24 divisors (see below), whose sum is σ = 52936411875480. Its totient is φ = 15096557295360.

The previous prime is 30221240425381. The next prime is 30221240425417. The reversal of 30221240425412 is 21452404212203.

It can be written as a sum of positive squares in 4 ways, for example, as 4910017812736 + 25311222612676 = 2215856^2 + 5031026^2 .

It is not an unprimeable number, because it can be changed into a prime (30221240425417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19543514 + ... + 21033102.

It is an arithmetic number, because the mean of its divisors is an integer number (2205683828145).

Almost surely, 230221240425412 is an apocalyptic number.

It is an amenable number.

30221240425412 is a deficient number, since it is larger than the sum of its proper divisors (22715171450068).

30221240425412 is a wasteful number, since it uses less digits than its factorization.

30221240425412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494311 (or 1494309 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 30221240425412 its reverse (21452404212203), we get a palindrome (51673644637615).

The spelling of 30221240425412 in words is "thirty trillion, two hundred twenty-one billion, two hundred forty million, four hundred twenty-five thousand, four hundred twelve".

Divisors: 1 2 4 1657 3061 3314 6122 6628 12244 1489589 2979178 5072077 5958356 10144154 20288308 2468248973 4559631929 4936497946 9119263858 9872995892 18238527716 7555310106353 15110620212706 30221240425412