Search a number
-
+
13430393999 = 111220944909
BaseRepresentation
bin11001000001000001…
…11000110010001111
31021122222122201000222
430200200320302033
5210001140101444
610100403541555
7653550315431
oct144040706217
937588581028
1013430393999
11577211a880
12272998a8bb
1313605c56c9
149159a2651
1553911aeee
hex320838c8f

13430393999 has 4 divisors (see below), whose sum is σ = 14651338920. Its totient is φ = 12209449080.

The previous prime is 13430393989. The next prime is 13430394011. The reversal of 13430393999 is 99939303431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99939303431 = 119085391221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13430393999 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 13430393999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430393909) 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, 610472444 + ... + 610472465.

It is an arithmetic number, because the mean of its divisors is an integer number (3662834730).

Almost surely, 213430393999 is an apocalyptic number.

13430393999 is a deficient number, since it is larger than the sum of its proper divisors (1220944921).

13430393999 is a wasteful number, since it uses less digits than its factorization.

13430393999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220944920.

The product of its (nonzero) digits is 2125764, while the sum is 53.

The spelling of 13430393999 in words is "thirteen billion, four hundred thirty million, three hundred ninety-three thousand, nine hundred ninety-nine".

Divisors: 1 11 1220944909 13430393999