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30055025053 = 43698954071
BaseRepresentation
bin11011111111011010…
…110100100110011101
32212120120211110120001
4123333122310212131
5443023041300203
621450155254301
72112535332514
oct337732644635
985516743501
1030055025053
1111823307189
1259a944a391
132aac8bc7c1
14165188d67b
15bad89791d
hex6ff6b499d

30055025053 has 4 divisors (see below), whose sum is σ = 30753979168. Its totient is φ = 29356070940.

The previous prime is 30055025041. The next prime is 30055025057. The reversal of 30055025053 is 35052055003.

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 30055025053 - 225 = 30021470621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30055025057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349476993 + ... + 349477078.

It is an arithmetic number, because the mean of its divisors is an integer number (7688494792).

Almost surely, 230055025053 is an apocalyptic number.

It is an amenable number.

30055025053 is a deficient number, since it is larger than the sum of its proper divisors (698954115).

30055025053 is an equidigital number, since it uses as much as digits as its factorization.

30055025053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698954114.

The product of its (nonzero) digits is 11250, while the sum is 28.

The spelling of 30055025053 in words is "thirty billion, fifty-five million, twenty-five thousand, fifty-three".

Divisors: 1 43 698954071 30055025053