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2740464681 = 33724688871
BaseRepresentation
bin1010001101011000…
…0010110000101001
321001222200000210220
42203112002300221
521103024332211
61131533400253
7124624364643
oct24326026051
97058600726
102740464681
111186a14749
12645939089
133489b3946
141bdd67893
151108c9806
hexa3582c29

2740464681 has 8 divisors (see below), whose sum is σ = 3752708544. Its totient is φ = 1777598640.

The previous prime is 2740464667. The next prime is 2740464703. The reversal of 2740464681 is 1864640472.

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

It is not a de Polignac number, because 2740464681 - 27 = 2740464553 is a prime.

It is a super-2 number, since 2×27404646812 = 15020293335616863522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2740464631) 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, 12344325 + ... + 12344546.

It is an arithmetic number, because the mean of its divisors is an integer number (469088568).

Almost surely, 22740464681 is an apocalyptic number.

It is an amenable number.

2740464681 is a deficient number, since it is larger than the sum of its proper divisors (1012243863).

2740464681 is a wasteful number, since it uses less digits than its factorization.

2740464681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24688911.

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 2740464681 is about 52349.4477621302. The cubic root of 2740464681 is about 1399.3984968763.

The spelling of 2740464681 in words is "two billion, seven hundred forty million, four hundred sixty-four thousand, six hundred eighty-one".

Divisors: 1 3 37 111 24688871 74066613 913488227 2740464681