Search a number
-
+
1386164614831 is a prime number
BaseRepresentation
bin10100001010111101110…
…110010111011010101111
311220111221012021101222221
4110022331312113122233
5140202331120133311
62540443434220211
7202101310551103
oct24127566273257
94814835241887
101386164614831
11494961873677
121a4793884667
13a093a443129
144b13ad43903
15260cd6e6671
hex142bdd976af

1386164614831 has 2 divisors, whose sum is σ = 1386164614832. Its totient is φ = 1386164614830.

The previous prime is 1386164614829. The next prime is 1386164614841. The reversal of 1386164614831 is 1384164616831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1386164614831 - 21 = 1386164614829 is a prime.

It is a super-2 number, since 2×13861646148312 (a number of 25 digits) contains 22 as substring.

Together with 1386164614829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1386164614811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693082307415 + 693082307416.

It is an arithmetic number, because the mean of its divisors is an integer number (693082307416).

Almost surely, 21386164614831 is an apocalyptic number.

1386164614831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386164614831 is an equidigital number, since it uses as much as digits as its factorization.

1386164614831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 52.

The spelling of 1386164614831 in words is "one trillion, three hundred eighty-six billion, one hundred sixty-four million, six hundred fourteen thousand, eight hundred thirty-one".