Search a number
-
+
2766400169 = 13311968227
BaseRepresentation
bin1010010011100011…
…1110101010101001
321010210110200121112
42210320332222221
521131144301134
61134301320105
7125361004421
oct24470765251
97123420545
102766400169
11119a619435
12652566035
133511948a0
141c3599481
15112cee1ce
hexa4e3eaa9

2766400169 has 8 divisors (see below), whose sum is σ = 2980199040. Its totient is φ = 2552744016.

The previous prime is 2766400163. The next prime is 2766400183. The reversal of 2766400169 is 9610046672.

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 2766400169 - 216 = 2766334633 is a prime.

It is a super-2 number, since 2×27664001692 = 15305939790086457122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2766400163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6434 + ... + 74660.

It is an arithmetic number, because the mean of its divisors is an integer number (372524880).

Almost surely, 22766400169 is an apocalyptic number.

It is an amenable number.

2766400169 is a deficient number, since it is larger than the sum of its proper divisors (213798871).

2766400169 is a wasteful number, since it uses less digits than its factorization.

2766400169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71359.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 2766400169 is about 52596.5794420131. The cubic root of 2766400169 is about 1403.7992331017.

The spelling of 2766400169 in words is "two billion, seven hundred sixty-six million, four hundred thousand, one hundred sixty-nine".

Divisors: 1 13 3119 40547 68227 886951 212800013 2766400169