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8042745373 = 131736392513
BaseRepresentation
bin1110111110110001…
…01000111000011101
3202202111211210112021
413133120220320131
5112432420322443
63410023540141
7403210131145
oct73730507035
922674753467
108042745373
113457a13703
1216855ba651
139b235b440
14564233925
153211409ed
hex1df628e1d

8042745373 has 8 divisors (see below), whose sum is σ = 9170913528. Its totient is φ = 6987362304.

The previous prime is 8042745371. The next prime is 8042745379. The reversal of 8042745373 is 3735472408.

It can be written as a sum of positive squares in 4 ways, for example, as 1974646969 + 6068098404 = 44437^2 + 77898^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8042745373 - 21 = 8042745371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042745371) 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 7 ways as a sum of consecutive naturals, for example, 18196036 + ... + 18196477.

It is an arithmetic number, because the mean of its divisors is an integer number (1146364191).

Almost surely, 28042745373 is an apocalyptic number.

It is an amenable number.

8042745373 is a deficient number, since it is larger than the sum of its proper divisors (1128168155).

8042745373 is a wasteful number, since it uses less digits than its factorization.

8042745373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36392543.

The product of its (nonzero) digits is 564480, while the sum is 43.

The square root of 8042745373 is about 89681.3546563610. The cubic root of 8042745373 is about 2003.5557888530. Note that the first 3 decimals are identical.

The spelling of 8042745373 in words is "eight billion, forty-two million, seven hundred forty-five thousand, three hundred seventy-three".

Divisors: 1 13 17 221 36392513 473102669 618672721 8042745373