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30042122401 is a prime number
BaseRepresentation
bin11011111110101001…
…100110100010100001
32212112200112221110001
4123332221212202201
5443011240404101
621445014540001
72112320553454
oct337651464241
985480487401
1030042122401
1111816aa4235
1259a5067601
132aaa0229b5
14164dc9149b
15bac699901
hex6fea668a1

30042122401 has 2 divisors, whose sum is σ = 30042122402. Its totient is φ = 30042122400.

The previous prime is 30042122399. The next prime is 30042122417. The reversal of 30042122401 is 10422124003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26953430625 + 3088691776 = 164175^2 + 55576^2 .

It is an emirp because it is prime and its reverse (10422124003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30042122401 - 21 = 30042122399 is a prime.

Together with 30042122399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30042128401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15021061200 + 15021061201.

It is an arithmetic number, because the mean of its divisors is an integer number (15021061201).

Almost surely, 230042122401 is an apocalyptic number.

It is an amenable number.

30042122401 is a deficient number, since it is larger than the sum of its proper divisors (1).

30042122401 is an equidigital number, since it uses as much as digits as its factorization.

30042122401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 30042122401 its reverse (10422124003), we get a palindrome (40464246404).

The spelling of 30042122401 in words is "thirty billion, forty-two million, one hundred twenty-two thousand, four hundred one".