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30230671523 = 132325436271
BaseRepresentation
bin11100001001111000…
…110111000010100011
32220000211100020012212
4130021320313002203
5443403022442043
621515432112335
72120100316403
oct341170670243
986024306185
1030230671523
1111903475a58
125a382356ab
132b0a0cac20
14166ad32803
15bbdee1018
hex709e370a3

30230671523 has 4 divisors (see below), whose sum is σ = 32556107808. Its totient is φ = 27905235240.

The previous prime is 30230671489. The next prime is 30230671547. The reversal of 30230671523 is 32517603203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30230671523 - 28 = 30230671267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30230671523.

It is not an unprimeable number, because it can be changed into a prime (30230671123) 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, 1162718123 + ... + 1162718148.

It is an arithmetic number, because the mean of its divisors is an integer number (8139026952).

Almost surely, 230230671523 is an apocalyptic number.

30230671523 is a deficient number, since it is larger than the sum of its proper divisors (2325436285).

30230671523 is a wasteful number, since it uses less digits than its factorization.

30230671523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325436284.

The product of its (nonzero) digits is 22680, while the sum is 32.

The spelling of 30230671523 in words is "thirty billion, two hundred thirty million, six hundred seventy-one thousand, five hundred twenty-three".

Divisors: 1 13 2325436271 30230671523