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30201200122001 = 50112160267281
BaseRepresentation
bin1101101110111110000111…
…10011100001100010010001
310221221012120120012221212112
412313133003303201202101
512424304024212401001
6144122123444035105
76234651615250166
oct667370363414221
9127835516187775
1030201200122001
119694291141717
123479240992a95
1313b0c6529628c
14765a629d006d
153759087aecbb
hex1b77c3ce1891

30201200122001 has 4 divisors (see below), whose sum is σ = 30201260890404. Its totient is φ = 30201139353600.

The previous prime is 30201200121943. The next prime is 30201200122007. The reversal of 30201200122001 is 10022100210203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16639097601025 + 13562102520976 = 4079105^2 + 3682676^2 .

It is a cyclic number.

It is not a de Polignac number, because 30201200122001 - 222 = 30201195927697 is a prime.

It is a super-2 number, since 2×302012001220012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30201200122007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29632520 + ... + 30634761.

It is an arithmetic number, because the mean of its divisors is an integer number (7550315222601).

Almost surely, 230201200122001 is an apocalyptic number.

It is an amenable number.

30201200122001 is a deficient number, since it is larger than the sum of its proper divisors (60768403).

30201200122001 is an equidigital number, since it uses as much as digits as its factorization.

30201200122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60768402.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 30201200122001 its reverse (10022100210203), we get a palindrome (40223300332204).

The spelling of 30201200122001 in words is "thirty trillion, two hundred one billion, two hundred million, one hundred twenty-two thousand, one".

Divisors: 1 501121 60267281 30201200122001