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30023112001 = 43698211907
BaseRepresentation
bin11011111101100001…
…000101010101000001
32212111100210010002011
4123331201011111001
5442441404041001
621443055252521
72112000145531
oct337541052501
985440703064
1030023112001
111180729a463
12599a81a141
132aa60c7b3c
14164b5434c1
15baab91d51
hex6fd845541

30023112001 has 4 divisors (see below), whose sum is σ = 30721323952. Its totient is φ = 29324900052.

The previous prime is 30023111903. The next prime is 30023112013. The reversal of 30023112001 is 10021132003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30023112001 - 211 = 30023109953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30023112061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349105911 + ... + 349105996.

It is an arithmetic number, because the mean of its divisors is an integer number (7680330988).

Almost surely, 230023112001 is an apocalyptic number.

It is an amenable number.

30023112001 is a deficient number, since it is larger than the sum of its proper divisors (698211951).

30023112001 is an equidigital number, since it uses as much as digits as its factorization.

30023112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698211950.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30023112001 its reverse (10021132003), we get a palindrome (40044244004).

The spelling of 30023112001 in words is "thirty billion, twenty-three million, one hundred twelve thousand, one".

Divisors: 1 43 698211907 30023112001