Search a number
-
+
26868976845 = 351791265123
BaseRepresentation
bin11001000001100001…
…000000110011001101
32120100112201110001120
4121001201000303031
5420011424224340
620202103231153
71640560351314
oct310141006315
976315643046
1026868976845
1110438922a97
12525a4484b9
1326c27c7489
14142c69727b
15a73d034d0
hex641840ccd

26868976845 has 8 divisors (see below), whose sum is σ = 42990362976. Its totient is φ = 14330120976.

The previous prime is 26868976843. The next prime is 26868976853. The reversal of 26868976845 is 54867986862.

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

It is not a de Polignac number, because 26868976845 - 21 = 26868976843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26868976845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26868976843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895632547 + ... + 895632576.

It is an arithmetic number, because the mean of its divisors is an integer number (5373795372).

Almost surely, 226868976845 is an apocalyptic number.

It is an amenable number.

26868976845 is a deficient number, since it is larger than the sum of its proper divisors (16121386131).

26868976845 is a wasteful number, since it uses less digits than its factorization.

26868976845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791265131.

The product of its digits is 278691840, while the sum is 69.

The spelling of 26868976845 in words is "twenty-six billion, eight hundred sixty-eight million, nine hundred seventy-six thousand, eight hundred forty-five".

Divisors: 1 3 5 15 1791265123 5373795369 8956325615 26868976845