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40470343847 = 191901323509
BaseRepresentation
bin100101101100001110…
…000111000010100111
310212110110002110221222
4211230032013002213
51130340402000342
630331455530555
72631615150443
oct455416070247
9125413073858
1040470343847
11161884aa36a
127a15529a5b
133a7c65302b
141d5cc43823
1510bce42ed2
hex96c3870a7

40470343847 has 8 divisors (see below), whose sum is σ = 40688474880. Its totient is φ = 40252278240.

The previous prime is 40470343801. The next prime is 40470343873. The reversal of 40470343847 is 74834307404.

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

It is a cyclic number.

It is not a de Polignac number, because 40470343847 - 230 = 39396602023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40470343798 and 40470343807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40470343877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1709729 + ... + 1733237.

It is an arithmetic number, because the mean of its divisors is an integer number (5086059360).

Almost surely, 240470343847 is an apocalyptic number.

40470343847 is a deficient number, since it is larger than the sum of its proper divisors (218131033).

40470343847 is a wasteful number, since it uses less digits than its factorization.

40470343847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32713.

The product of its (nonzero) digits is 903168, while the sum is 44.

The spelling of 40470343847 in words is "forty billion, four hundred seventy million, three hundred forty-three thousand, eight hundred forty-seven".

Divisors: 1 191 9013 23509 1721483 4490219 211886617 40470343847