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44640301421 = 379712438089
BaseRepresentation
bin101001100100110001…
…001111000101101101
311021020001121021101002
4221210301033011231
51212410404121141
632301340330045
73140141205242
oct514461170555
9137201537332
1044640301421
1117a283171a1
128799b43925
134295540651
1422369995c9
15126408ae9b
hexa64c4f16d

44640301421 has 8 divisors (see below), whose sum is σ = 46319447160. Its totient is φ = 42986032128.

The previous prime is 44640301417. The next prime is 44640301441. The reversal of 44640301421 is 12410304644.

44640301421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22638512521 + 22001788900 = 150461^2 + 148330^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 44640301421 - 22 = 44640301417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44640301441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6215456 + ... + 6222633.

It is an arithmetic number, because the mean of its divisors is an integer number (5789930895).

Almost surely, 244640301421 is an apocalyptic number.

It is an amenable number.

44640301421 is a deficient number, since it is larger than the sum of its proper divisors (1679145739).

44640301421 is a wasteful number, since it uses less digits than its factorization.

44640301421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438223.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 44640301421 in words is "forty-four billion, six hundred forty million, three hundred one thousand, four hundred twenty-one".

Divisors: 1 37 97 3589 12438089 460209293 1206494633 44640301421