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44030232031 = 155328351727
BaseRepresentation
bin101001000000011010…
…000000010111011111
311012122112122112111111
4221000122000113133
51210133214411111
632121024402451
73116052540262
oct510032002737
9135575575444
1044030232031
1117744a11015
128649776427
1341c902a746
1421b9950cd9
15122a72ea21
hexa406805df

44030232031 has 4 divisors (see below), whose sum is σ = 44058585312. Its totient is φ = 44001878752.

The previous prime is 44030232017. The next prime is 44030232133. The reversal of 44030232031 is 13023203044.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44030232031 is a prime.

It is a super-2 number, since 2×440302320312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44030231993 and 44030232011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44030232431) 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, 14174311 + ... + 14177416.

It is an arithmetic number, because the mean of its divisors is an integer number (11014646328).

Almost surely, 244030232031 is an apocalyptic number.

44030232031 is a deficient number, since it is larger than the sum of its proper divisors (28353281).

44030232031 is a wasteful number, since it uses less digits than its factorization.

44030232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28353280.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 44030232031 its reverse (13023203044), we get a palindrome (57053435075).

The spelling of 44030232031 in words is "forty-four billion, thirty million, two hundred thirty-two thousand, thirty-one".

Divisors: 1 1553 28351727 44030232031