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30253055054 = 223364920719
BaseRepresentation
bin11100001011001110…
…001111110001001110
32220002101110102122112
4130023032033301032
5443424240230204
621521551544022
72120461503455
oct341316176116
986071412575
1030253055054
1111915074042
125a4382b012
132b11937211
14166dcbbb9c
15bc0e6326e
hex70b38fc4e

30253055054 has 8 divisors (see below), whose sum is σ = 45574345440. Its totient is φ = 15061606576.

The previous prime is 30253055051. The next prime is 30253055071. The reversal of 30253055054 is 45055035203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30253055054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30253055051) 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 in 3 ways as a sum of consecutive naturals, for example, 32459894 + ... + 32460825.

It is an arithmetic number, because the mean of its divisors is an integer number (5696793180).

Almost surely, 230253055054 is an apocalyptic number.

30253055054 is a deficient number, since it is larger than the sum of its proper divisors (15321290386).

30253055054 is a wasteful number, since it uses less digits than its factorization.

30253055054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64920954.

The product of its (nonzero) digits is 45000, while the sum is 32.

The spelling of 30253055054 in words is "thirty billion, two hundred fifty-three million, fifty-five thousand, fifty-four".

Divisors: 1 2 233 466 64920719 129841438 15126527527 30253055054