Search a number
-
+
2746667261 = 13261326513
BaseRepresentation
bin1010001110110110…
…1101000011111101
321002102100011011002
42203231231003331
521111121323021
61132314340045
7125031200162
oct24355550375
97072304132
102746667261
11118a470848
12647a2a625
1334a075c00
141c0b00069
1511120250b
hexa3b6d0fd

2746667261 has 12 divisors (see below), whose sum is σ = 2979166068. Its totient is φ = 2531153664.

The previous prime is 2746667221. The next prime is 2746667281. The reversal of 2746667261 is 1627666472.

It can be written as a sum of positive squares in 6 ways, for example, as 1772915236 + 973752025 = 42106^2 + 31205^2 .

It is a de Polignac number, because none of the positive numbers 2k-2746667261 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 (2746667201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90341 + ... + 116853.

It is an arithmetic number, because the mean of its divisors is an integer number (248263839).

Almost surely, 22746667261 is an apocalyptic number.

It is an amenable number.

2746667261 is a deficient number, since it is larger than the sum of its proper divisors (232498807).

2746667261 is a wasteful number, since it uses less digits than its factorization.

2746667261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27152 (or 27139 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 2746667261 is about 52408.6563556060. The cubic root of 2746667261 is about 1400.4534689190.

The spelling of 2746667261 in words is "two billion, seven hundred forty-six million, six hundred sixty-seven thousand, two hundred sixty-one".

Divisors: 1 13 169 613 7969 26513 103597 344669 4480697 16252469 211282097 2746667261