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2740400012 = 227139704111
BaseRepresentation
bin1010001101010111…
…0010111110001100
321001222112202002202
42203111302332030
521103020300022
61131532141032
7124624005260
oct24325627614
97058482082
102740400012
1111869800a9
12645907778
1334899038c
141bdd4c0a0
151108b5592
hexa3572f8c

2740400012 has 24 divisors (see below), whose sum is σ = 5520238080. Its totient is φ = 1166006160.

The previous prime is 2740400011. The next prime is 2740400023. The reversal of 2740400012 is 2100040472.

It is not an unprimeable number, because it can be changed into a prime (2740400011) 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, 348164 + ... + 355947.

It is an arithmetic number, because the mean of its divisors is an integer number (230009920).

Almost surely, 22740400012 is an apocalyptic number.

It is an amenable number.

2740400012 is an abundant number, since it is smaller than the sum of its proper divisors (2779838068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2740400012 is a wasteful number, since it uses less digits than its factorization.

2740400012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704261 (or 704259 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2740400012 is about 52348.8300919896. The cubic root of 2740400012 is about 1399.3874892037.

Adding to 2740400012 its reverse (2100040472), we get a palindrome (4840440484).

The spelling of 2740400012 in words is "two billion, seven hundred forty million, four hundred thousand, twelve".

Divisors: 1 2 4 7 14 28 139 278 556 973 1946 3892 704111 1408222 2816444 4928777 9857554 19715108 97871429 195742858 391485716 685100003 1370200006 2740400012