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13140030443 = 83219157897
BaseRepresentation
bin11000011110011010…
…01111001111101011
31020220202021201010012
430033031033033223
5203402321433233
610011512242135
7643423262441
oct141715171753
936822251105
1013140030443
1156332283a1
1226686a034b
1313153bcb57
148c91bab91
1551d8b2548
hex30f34f3eb

13140030443 has 4 divisors (see below), whose sum is σ = 13140271560. Its totient is φ = 13139789328.

The previous prime is 13140030403. The next prime is 13140030457. The reversal of 13140030443 is 34403004131.

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 13140030443 - 214 = 13140014059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13140030403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4271 + ... + 162167.

It is an arithmetic number, because the mean of its divisors is an integer number (3285067890).

Almost surely, 213140030443 is an apocalyptic number.

13140030443 is a deficient number, since it is larger than the sum of its proper divisors (241117).

13140030443 is an equidigital number, since it uses as much as digits as its factorization.

13140030443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241116.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13140030443 its reverse (34403004131), we get a palindrome (47543034574).

The spelling of 13140030443 in words is "thirteen billion, one hundred forty million, thirty thousand, four hundred forty-three".

Divisors: 1 83219 157897 13140030443