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26770747138 = 242821312589
BaseRepresentation
bin11000111011101010…
…010010111100000010
32120002200212212020021
4120323222102330002
5414311302402023
620144234004054
71635255411322
oct307352227402
976080785207
1026770747138
1110398430613
12523157662a
1326a83536a5
14141d607282
15a6a39d35d
hex63ba92f02

26770747138 has 8 divisors (see below), whose sum is σ = 40157186940. Its totient is φ = 13385018160.

The previous prime is 26770747123. The next prime is 26770747151. The reversal of 26770747138 is 83174707762.

It is a happy number.

26770747138 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 26720152369 + 50594769 = 163463^2 + 7113^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70653 + ... + 241936.

Almost surely, 226770747138 is an apocalyptic number.

26770747138 is a deficient number, since it is larger than the sum of its proper divisors (13386439802).

26770747138 is a wasteful number, since it uses less digits than its factorization.

26770747138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355412.

The product of its (nonzero) digits is 2765952, while the sum is 52.

The spelling of 26770747138 in words is "twenty-six billion, seven hundred seventy million, seven hundred forty-seven thousand, one hundred thirty-eight".

Divisors: 1 2 42821 85642 312589 625178 13385373569 26770747138