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30033010001 = 37811702973
BaseRepresentation
bin11011111110000110…
…110101110101010001
32212112001101222120202
4123332012311311101
5443001422310001
621444051344545
72112150241631
oct337606656521
985461358522
1030033010001
111181193aa25
1259a1bb2155
132aa8182147
14164c99c6c1
15bab99996b
hex6fe1b5d51

30033010001 has 4 divisors (see below), whose sum is σ = 30844713012. Its totient is φ = 29221306992.

The previous prime is 30033009997. The next prime is 30033010037. The reversal of 30033010001 is 10001033003.

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 22147392400 + 7885617601 = 148820^2 + 88801^2 .

It is a cyclic number.

It is not a de Polignac number, because 30033010001 - 22 = 30033009997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30033010061) 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, 405851450 + ... + 405851523.

It is an arithmetic number, because the mean of its divisors is an integer number (7711178253).

Almost surely, 230033010001 is an apocalyptic number.

It is an amenable number.

30033010001 is a deficient number, since it is larger than the sum of its proper divisors (811703011).

30033010001 is an equidigital number, since it uses as much as digits as its factorization.

30033010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811703010.

The product of its (nonzero) digits is 27, while the sum is 11.

Adding to 30033010001 its reverse (10001033003), we get a palindrome (40034043004).

The spelling of 30033010001 in words is "thirty billion, thirty-three million, ten thousand, one".

Divisors: 1 37 811702973 30033010001