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2431443641 = 11375974063
BaseRepresentation
bin1001000011101100…
…1110001010111001
320021110012010122012
42100323032022321
514434422144031
61041134135305
7114152633654
oct22073161271
96243163565
102431443641
111038539660
1257a351535
132c9977a63
14190cc689b
15e36d7b2b
hex90ece2b9

2431443641 has 8 divisors (see below), whose sum is σ = 2724173184. Its totient is φ = 2150662320.

The previous prime is 2431443589. The next prime is 2431443653. The reversal of 2431443641 is 1463441342.

2431443641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2431443641 - 26 = 2431443577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2431443598 and 2431443607.

It is not an unprimeable number, because it can be changed into a prime (2431443841) 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, 2986625 + ... + 2987438.

It is an arithmetic number, because the mean of its divisors is an integer number (340521648).

Almost surely, 22431443641 is an apocalyptic number.

It is an amenable number.

2431443641 is a deficient number, since it is larger than the sum of its proper divisors (292729543).

2431443641 is a wasteful number, since it uses less digits than its factorization.

2431443641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974111.

The product of its digits is 27648, while the sum is 32.

The square root of 2431443641 is about 49309.6708668797. The cubic root of 2431443641 is about 1344.6876074605.

Adding to 2431443641 its reverse (1463441342), we get a palindrome (3894884983).

The spelling of 2431443641 in words is "two billion, four hundred thirty-one million, four hundred forty-three thousand, six hundred forty-one".

Divisors: 1 11 37 407 5974063 65714693 221040331 2431443641