Search a number
-
+
13808258395 = 52761651679
BaseRepresentation
bin11001101110000100…
…10100110101011011
31022122022200012112121
430313002110311123
5211234403232040
610202102522111
7666116155051
oct146702246533
938568605477
1013808258395
1159464469a8
122814436337
1313c09867c9
1494dc441d1
1555c3aac4a
hex337094d5b

13808258395 has 4 divisors (see below), whose sum is σ = 16569910080. Its totient is φ = 11046606712.

The previous prime is 13808258353. The next prime is 13808258411. The reversal of 13808258395 is 59385280831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59385280831 = 466811272151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13808258395 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380825835 + ... + 1380825844.

It is an arithmetic number, because the mean of its divisors is an integer number (4142477520).

Almost surely, 213808258395 is an apocalyptic number.

13808258395 is a deficient number, since it is larger than the sum of its proper divisors (2761651685).

13808258395 is an equidigital number, since it uses as much as digits as its factorization.

13808258395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761651684.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 13808258395 in words is "thirteen billion, eight hundred eight million, two hundred fifty-eight thousand, three hundred ninety-five".

Divisors: 1 5 2761651679 13808258395