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30238767147 = 310079589049
BaseRepresentation
bin11100001010010111…
…101111100000101011
32220001101120112022210
4130022113233200223
5443412111022042
621520321420203
72120226164661
oct341227574053
986041515283
1030238767147
1111907aa5356
125a3aa9a663
132b0b9a3a34
14166c03cc31
15bbea8ea9c
hex70a5ef82b

30238767147 has 4 divisors (see below), whose sum is σ = 40318356200. Its totient is φ = 20159178096.

The previous prime is 30238767127. The next prime is 30238767173. The reversal of 30238767147 is 74176783203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74176783203 = 324725594401.

It is not a de Polignac number, because 30238767147 - 231 = 28091283499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30238767096 and 30238767105.

It is not an unprimeable number, because it can be changed into a prime (30238767127) 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, 5039794522 + ... + 5039794527.

It is an arithmetic number, because the mean of its divisors is an integer number (10079589050).

Almost surely, 230238767147 is an apocalyptic number.

30238767147 is a deficient number, since it is larger than the sum of its proper divisors (10079589053).

30238767147 is a wasteful number, since it uses less digits than its factorization.

30238767147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10079589052.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 30238767147 in words is "thirty billion, two hundred thirty-eight million, seven hundred sixty-seven thousand, one hundred forty-seven".

Divisors: 1 3 10079589049 30238767147