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4304244430021 = 53190142720757
BaseRepresentation
bin111110101000101000111…
…101011101010011000101
3120020111000012021010002011
4332220220331131103011
51031010043033230041
613053202000014221
7622654121665144
oct76505075352305
916214005233064
104304244430021
11140a468850a78
12596236901371
13252b7208b0a3
1410c48006175b
1576e6b0c2e81
hex3ea28f5d4c5

4304244430021 has 8 divisors (see below), whose sum is σ = 4387763612664. Its totient is φ = 4220810692800.

The previous prime is 4304244430007. The next prime is 4304244430037. The reversal of 4304244430021 is 1200344424034.

It can be written as a sum of positive squares in 4 ways, for example, as 457193697921 + 3847050732100 = 676161^2 + 1961390^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-4304244430021 is a prime.

It is a super-2 number, since 2×43042444300212 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4304244430061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21259626 + ... + 21461131.

It is an arithmetic number, because the mean of its divisors is an integer number (548470451583).

Almost surely, 24304244430021 is an apocalyptic number.

It is an amenable number.

4304244430021 is a deficient number, since it is larger than the sum of its proper divisors (83519182643).

4304244430021 is a wasteful number, since it uses less digits than its factorization.

4304244430021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42722711.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 4304244430021 its reverse (1200344424034), we get a palindrome (5504588854055).

The spelling of 4304244430021 in words is "four trillion, three hundred four billion, two hundred forty-four million, four hundred thirty thousand, twenty-one".

Divisors: 1 53 1901 100753 42720757 2264200121 81212159057 4304244430021