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38441520843 = 3112347349627
BaseRepresentation
bin100011110011010010…
…110000111011001011
310200020001111121000020
4203303102300323023
51112212012131333
625354303111523
72530421351535
oct436322607313
9120201447006
1038441520843
1115337266640
127549ba25a3
13381822664b
141c09604855
15eeec8a3b3
hex8f34b0ecb

38441520843 has 16 divisors (see below), whose sum is σ = 55918448256. Its totient is φ = 23296429440.

The previous prime is 38441520781. The next prime is 38441520857. The reversal of 38441520843 is 34802514483.

It is not a de Polignac number, because 38441520843 - 214 = 38441504459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38441520795 and 38441520804.

It is not an unprimeable number, because it can be changed into a prime (38441520443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749796 + ... + 799422.

It is an arithmetic number, because the mean of its divisors is an integer number (3494903016).

Almost surely, 238441520843 is an apocalyptic number.

38441520843 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

38441520843 is a deficient number, since it is larger than the sum of its proper divisors (17476927413).

38441520843 is a wasteful number, since it uses less digits than its factorization.

38441520843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73114.

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 38441520843 in words is "thirty-eight billion, four hundred forty-one million, five hundred twenty thousand, eight hundred forty-three".

Divisors: 1 3 11 33 23473 49627 70419 148881 258203 545897 774609 1637691 1164894571 3494683713 12813840281 38441520843