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4451211313 = 7956344447
BaseRepresentation
bin1000010010101000…
…00001100000110001
3102111012201222000021
410021110001200301
533104002230223
62013404523441
7215206446313
oct41124014061
912435658007
104451211313
111984657a3a
12a42850581
1355c253863
143032497b3
151b0ba265d
hex109501831

4451211313 has 4 divisors (see below), whose sum is σ = 4507555840. Its totient is φ = 4394866788.

The previous prime is 4451211293. The next prime is 4451211319. The reversal of 4451211313 is 3131121544.

4451211313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4451211313 - 29 = 4451210801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4451211319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28172145 + ... + 28172302.

It is an arithmetic number, because the mean of its divisors is an integer number (1126888960).

Almost surely, 24451211313 is an apocalyptic number.

It is an amenable number.

4451211313 is a deficient number, since it is larger than the sum of its proper divisors (56344527).

4451211313 is an equidigital number, since it uses as much as digits as its factorization.

4451211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56344526.

The product of its digits is 1440, while the sum is 25.

The square root of 4451211313 is about 66717.3988776541. The cubic root of 4451211313 is about 1644.9753864075.

Adding to 4451211313 its reverse (3131121544), we get a palindrome (7582332857).

The spelling of 4451211313 in words is "four billion, four hundred fifty-one million, two hundred eleven thousand, three hundred thirteen".

Divisors: 1 79 56344447 4451211313