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2440121013 = 321124647687
BaseRepresentation
bin1001000101110001…
…0100101010110101
320022001111222202100
42101130110222311
514444132333023
61042044132313
7114316454301
oct22134245265
96261458670
102440121013
111042426040
12581237099
132cb6c55b5
14192104d01
15e434dc43
hex91714ab5

2440121013 has 12 divisors (see below), whose sum is σ = 3845039328. Its totient is φ = 1478861160.

The previous prime is 2440120967. The next prime is 2440121023. The reversal of 2440121013 is 3101210442.

2440121013 is a `hidden beast` number, since 2 + 440 + 1 + 210 + 13 = 666.

It is not a de Polignac number, because 2440121013 - 210 = 2440119989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440121023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12323745 + ... + 12323942.

It is an arithmetic number, because the mean of its divisors is an integer number (320419944).

Almost surely, 22440121013 is an apocalyptic number.

It is an amenable number.

2440121013 is a deficient number, since it is larger than the sum of its proper divisors (1404918315).

2440121013 is a wasteful number, since it uses less digits than its factorization.

2440121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24647704 (or 24647701 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2440121013 is about 49397.5810440147. The cubic root of 2440121013 is about 1346.2853552786.

Adding to 2440121013 its reverse (3101210442), we get a palindrome (5541331455).

It can be divided in two parts, 244012 and 1013, that added together give a square (245025 = 4952).

The spelling of 2440121013 in words is "two billion, four hundred forty million, one hundred twenty-one thousand, thirteen".

Divisors: 1 3 9 11 33 99 24647687 73943061 221829183 271124557 813373671 2440121013