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4051052321 = 31991126631
BaseRepresentation
bin1111000101110110…
…0010011100100001
3101110022202210001212
43301131202130201
531244032133241
61505552035505
7202250243111
oct36135423441
911408683055
104051052321
111799793628
12950832b95
134c7387aa4
142a6043041
1518a9abbeb
hexf1762721

4051052321 has 4 divisors (see below), whose sum is σ = 4051210944. Its totient is φ = 4050893700.

The previous prime is 4051052303. The next prime is 4051052323. The reversal of 4051052321 is 1232501504.

4051052321 is digitally balanced in base 2 and base 3, because in such bases 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 a de Polignac number, because none of the positive numbers 2k-4051052321 is a prime.

It is a super-2 number, since 2×40510523212 = 32822049814958974082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4051052323) 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, 31325 + ... + 95306.

It is an arithmetic number, because the mean of its divisors is an integer number (1012802736).

Almost surely, 24051052321 is an apocalyptic number.

It is an amenable number.

4051052321 is a deficient number, since it is larger than the sum of its proper divisors (158623).

4051052321 is a wasteful number, since it uses less digits than its factorization.

4051052321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158622.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 4051052321 is about 63647.8775844097. The cubic root of 4051052321 is about 1594.1258983528.

Adding to 4051052321 its reverse (1232501504), we get a palindrome (5283553825).

The spelling of 4051052321 in words is "four billion, fifty-one million, fifty-two thousand, three hundred twenty-one".

Divisors: 1 31991 126631 4051052321