Search a number
-
+
12654233393 = 14518721043
BaseRepresentation
bin10111100100100000…
…00100011100110001
31012122220011122211212
423302100010130301
5201403440432033
65451400045505
7625404131504
oct136220043461
935586148755
1012654233393
115403a9192a
122551a63895
13126886b689
1488088113b
154e0e02748
hex2f2404731

12654233393 has 4 divisors (see below), whose sum is σ = 12662955888. Its totient is φ = 12645510900.

The previous prime is 12654233321. The next prime is 12654233411. The reversal of 12654233393 is 39333245621.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39333245621 = 263149556067.

It is a cyclic number.

It is not a de Polignac number, because 12654233393 - 210 = 12654232369 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 12654233393.

It is not an unprimeable number, because it can be changed into a prime (12654235393) 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, 4359071 + ... + 4361972.

It is an arithmetic number, because the mean of its divisors is an integer number (3165738972).

Almost surely, 212654233393 is an apocalyptic number.

It is an amenable number.

12654233393 is a deficient number, since it is larger than the sum of its proper divisors (8722495).

12654233393 is an equidigital number, since it uses as much as digits as its factorization.

12654233393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722494.

The product of its digits is 349920, while the sum is 41.

The spelling of 12654233393 in words is "twelve billion, six hundred fifty-four million, two hundred thirty-three thousand, three hundred ninety-three".

Divisors: 1 1451 8721043 12654233393