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44203423431 = 389507732609
BaseRepresentation
bin101001001010101110…
…101011011011000111
311020002121112120102210
4221022232223123013
51211012034022211
632150132434503
73123254620416
oct511256533307
9136077476383
1044203423431
1117823753302
128697778a33
134225b8956b
1421d495547d
15123aa409a6
hexa4abab6c7

44203423431 has 16 divisors (see below), whose sum is σ = 59613688800. Its totient is φ = 29131204608.

The previous prime is 44203423423. The next prime is 44203423441. The reversal of 44203423431 is 13432430244.

It is a happy number.

It is not a de Polignac number, because 44203423431 - 23 = 44203423423 is a prime.

It is a super-2 number, since 2×442034234312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44203423441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1339255 + ... + 1371863.

It is an arithmetic number, because the mean of its divisors is an integer number (3725855550).

Almost surely, 244203423431 is an apocalyptic number.

44203423431 is a deficient number, since it is larger than the sum of its proper divisors (15410265369).

44203423431 is a wasteful number, since it uses less digits than its factorization.

44203423431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37778.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 44203423431 its reverse (13432430244), we get a palindrome (57635853675).

The spelling of 44203423431 in words is "forty-four billion, two hundred three million, four hundred twenty-three thousand, four hundred thirty-one".

Divisors: 1 3 89 267 5077 15231 32609 97827 451853 1355559 2902201 8706603 165555893 496667679 14734474477 44203423431