Search a number
-
+
12589112369 = 31406100399
BaseRepresentation
bin10111011100101111…
…01001110000110001
31012111100122011121002
423232113221300301
5201240303043434
65441112211345
7623653455341
oct135627516061
935440564532
1012589112369
1153802534a9
122534099b55
13125821a822
14875d6cd21
154da33c57e
hex2ee5e9c31

12589112369 has 4 divisors (see below), whose sum is σ = 12995212800. Its totient is φ = 12183011940.

The previous prime is 12589112317. The next prime is 12589112381. The reversal of 12589112369 is 96321198521.

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 12589112369 - 28 = 12589112113 is a prime.

It is a super-2 number, since 2×125891123692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12589112269) 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, 203050169 + ... + 203050230.

It is an arithmetic number, because the mean of its divisors is an integer number (3248803200).

Almost surely, 212589112369 is an apocalyptic number.

It is an amenable number.

12589112369 is a deficient number, since it is larger than the sum of its proper divisors (406100431).

12589112369 is an equidigital number, since it uses as much as digits as its factorization.

12589112369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406100430.

The product of its digits is 233280, while the sum is 47.

The spelling of 12589112369 in words is "twelve billion, five hundred eighty-nine million, one hundred twelve thousand, three hundred sixty-nine".

Divisors: 1 31 406100399 12589112369