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2440211321 = 12923188827
BaseRepresentation
bin1001000101110010…
…1010101101111001
320022001200120122002
42101130222231321
514444143230241
61042050110345
7114320311502
oct22134525571
96261616562
102440211321
111042487979
1258127b3b5
132cb727732
14192129ba9
15e436a89b
hex9172ab79

2440211321 has 4 divisors (see below), whose sum is σ = 2440413072. Its totient is φ = 2440009572.

The previous prime is 2440211311. The next prime is 2440211327. The reversal of 2440211321 is 1231120442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2440211321 - 218 = 2439949177 is a prime.

It is a super-2 number, since 2×24402113212 = 11909262582273130082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2440211293 and 2440211302.

It is not an unprimeable number, because it can be changed into a prime (2440211327) 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 3 ways as a sum of consecutive naturals, for example, 81491 + ... + 107336.

It is an arithmetic number, because the mean of its divisors is an integer number (610103268).

Almost surely, 22440211321 is an apocalyptic number.

It is an amenable number.

2440211321 is a deficient number, since it is larger than the sum of its proper divisors (201751).

2440211321 is a wasteful number, since it uses less digits than its factorization.

2440211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201750.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2440211321 is about 49398.4951289004. The cubic root of 2440211321 is about 1346.3019635858.

Adding to 2440211321 its reverse (1231120442), we get a palindrome (3671331763).

The spelling of 2440211321 in words is "two billion, four hundred forty million, two hundred eleven thousand, three hundred twenty-one".

Divisors: 1 12923 188827 2440211321