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30303210133 = 74329030019
BaseRepresentation
bin11100001110001101…
…100100101010010101
32220012212211120111001
4130032031210222111
5444030110211013
621530542543301
72121641015260
oct341615445225
986185746431
1030303210133
1111940410319
125a58597b31
132b1c148091
141676815cd7
15bc556dddd
hex70e364a95

30303210133 has 4 divisors (see below), whose sum is σ = 34632240160. Its totient is φ = 25974180108.

The previous prime is 30303210121. The next prime is 30303210151. The reversal of 30303210133 is 33101230303.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33101230303 = 73453441511.

It is a cyclic number.

It is not a de Polignac number, because 30303210133 - 233 = 21713275541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30303210133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303210433) 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, 2164515003 + ... + 2164515016.

It is an arithmetic number, because the mean of its divisors is an integer number (8658060040).

Almost surely, 230303210133 is an apocalyptic number.

It is an amenable number.

30303210133 is a deficient number, since it is larger than the sum of its proper divisors (4329030027).

30303210133 is an equidigital number, since it uses as much as digits as its factorization.

30303210133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329030026.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 30303210133 its reverse (33101230303), we get a palindrome (63404440436).

The spelling of 30303210133 in words is "thirty billion, three hundred three million, two hundred ten thousand, one hundred thirty-three".

Divisors: 1 7 4329030019 30303210133