Search a number
-
+
246666386189 = 6112569321721
BaseRepresentation
bin1110010110111001110…
…1100101101100001101
3212120200121022201200002
43211232131211230031
513020133043324224
6305152244414045
723551423455026
oct3455635455415
9776617281602
10246666386189
1195679820913
123b9800a7325
131a35053aa42
14bd1dba5c4d
15663a3269ae
hex396e765b0d

246666386189 has 8 divisors (see below), whose sum is σ = 250730823480. Its totient is φ = 242602617600.

The previous prime is 246666386179. The next prime is 246666386261. The reversal of 246666386189 is 981683666642.

It can be written as a sum of positive squares in 4 ways, for example, as 4446889225 + 242219496964 = 66685^2 + 492158^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 246666386189 - 24 = 246666386173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246666386159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605849 + ... + 927569.

It is an arithmetic number, because the mean of its divisors is an integer number (31341352935).

Almost surely, 2246666386189 is an apocalyptic number.

It is an amenable number.

246666386189 is a deficient number, since it is larger than the sum of its proper divisors (4064437291).

246666386189 is a wasteful number, since it uses less digits than its factorization.

246666386189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334351.

The product of its digits is 107495424, while the sum is 65.

The spelling of 246666386189 in words is "two hundred forty-six billion, six hundred sixty-six million, three hundred eighty-six thousand, one hundred eighty-nine".

Divisors: 1 61 12569 321721 766709 19624981 4043711249 246666386189