Search a number
-
+
6391401443611 is a prime number
BaseRepresentation
bin101110100000001110100…
…1101100111000100011011
3211122000022202101222222121
41131000131031213010123
51314204042232143421
621332100322202111
71226522612614522
oct135003515470433
924560282358877
106391401443611
11204463a5450a8
128728434b3337
13374925446542
141814b9dd94b9
15b13c5a50d41
hex5d01d36711b

6391401443611 has 2 divisors, whose sum is σ = 6391401443612. Its totient is φ = 6391401443610.

The previous prime is 6391401443591. The next prime is 6391401443621. The reversal of 6391401443611 is 1163441041936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6391401443611 - 215 = 6391401410843 is a prime.

It is not a weakly prime, because it can be changed into another prime (6391401443621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3195700721805 + 3195700721806.

It is an arithmetic number, because the mean of its divisors is an integer number (3195700721806).

Almost surely, 26391401443611 is an apocalyptic number.

6391401443611 is a deficient number, since it is larger than the sum of its proper divisors (1).

6391401443611 is an equidigital number, since it uses as much as digits as its factorization.

6391401443611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 6391401443611 in words is "six trillion, three hundred ninety-one billion, four hundred one million, four hundred forty-three thousand, six hundred eleven".