Search a number
-
+
6867813105 = 325152618069
BaseRepresentation
bin1100110010101101…
…01000001011110001
3122201122000001110100
412121112220023301
5103031130004410
63053253023013
7332122306506
oct63126501361
918648001410
106867813105
112a047796aa
1213b8024a69
13855b02c4a
1449218b4ad
152a2e078c0
hex1995a82f1

6867813105 has 12 divisors (see below), whose sum is σ = 11904209460. Its totient is φ = 3662833632.

The previous prime is 6867813103. The next prime is 6867813107. The reversal of 6867813105 is 5013187686.

It is an interprime number because it is at equal distance from previous prime (6867813103) and next prime (6867813107).

It can be written as a sum of positive squares in 2 ways, for example, as 1877662224 + 4990150881 = 43332^2 + 70641^2 .

It is not a de Polignac number, because 6867813105 - 21 = 6867813103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 152618069 = 6867813105 / (6 + 8 + 6 + 7 + 8 + 1 + 3 + 1 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (6867813103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76308990 + ... + 76309079.

It is an arithmetic number, because the mean of its divisors is an integer number (992017455).

Almost surely, 26867813105 is an apocalyptic number.

It is an amenable number.

6867813105 is a deficient number, since it is larger than the sum of its proper divisors (5036396355).

6867813105 is a wasteful number, since it uses less digits than its factorization.

6867813105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152618080 (or 152618077 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 6867813105 is about 82872.2698192827. The cubic root of 6867813105 is about 1900.8134194875.

The spelling of 6867813105 in words is "six billion, eight hundred sixty-seven million, eight hundred thirteen thousand, one hundred five".

Divisors: 1 3 5 9 15 45 152618069 457854207 763090345 1373562621 2289271035 6867813105