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83485394751 = 31112754136821
BaseRepresentation
bin100110111000000011…
…1100000011100111111
321222111020111110202110
41031300013200130333
52331434230113001
6102204101425103
76013563101223
oct1156007403477
9258436443673
1083485394751
1132451368810
121421b10b193
137b46259685
14407da14783
1522894933d6
hex13701e073f

83485394751 has 32 divisors (see below), whose sum is σ = 122619027456. Its totient is φ = 50104656000.

The previous prime is 83485394747. The next prime is 83485394807. The reversal of 83485394751 is 15749358438.

It is not a de Polignac number, because 83485394751 - 22 = 83485394747 is a prime.

It is a super-2 number, since 2×834853947512 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83485394691 and 83485394700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83485392751) 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 31 ways as a sum of consecutive naturals, for example, 2248921 + ... + 2285741.

It is an arithmetic number, because the mean of its divisors is an integer number (3831844608).

Almost surely, 283485394751 is an apocalyptic number.

83485394751 is a deficient number, since it is larger than the sum of its proper divisors (39133632705).

83485394751 is a wasteful number, since it uses less digits than its factorization.

83485394751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37503.

The product of its digits is 14515200, while the sum is 57.

The spelling of 83485394751 in words is "eighty-three billion, four hundred eighty-five million, three hundred ninety-four thousand, seven hundred fifty-one".

Divisors: 1 3 11 33 127 381 541 1397 1623 4191 5951 17853 36821 68707 110463 206121 405031 755777 1215093 2267331 4676267 14028801 19920161 51438937 59760483 154316811 219121771 657365313 2529860447 7589581341 27828464917 83485394751