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74840054943 = 31012291078589
BaseRepresentation
bin100010110110011010…
…0001001110010011111
321011011201202201001210
41011230310021302133
52211233023224233
654214150035503
75256414654003
oct1055464116237
9234151681053
1074840054943
1129815294a85
1212607948b93
1370991047a4
14389d760703
151e304c1163
hex116cd09c9f

74840054943 has 16 divisors (see below), whose sum is σ = 101214885600. Its totient is φ = 49183612800.

The previous prime is 74840054897. The next prime is 74840054957. The reversal of 74840054943 is 34945004847.

It is not a de Polignac number, because 74840054943 - 210 = 74840053919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74840054892 and 74840054901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74840054983) 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, 469908 + ... + 608681.

It is an arithmetic number, because the mean of its divisors is an integer number (6325930350).

Almost surely, 274840054943 is an apocalyptic number.

74840054943 is a deficient number, since it is larger than the sum of its proper divisors (26374830657).

74840054943 is a wasteful number, since it uses less digits than its factorization.

74840054943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078922.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 74840054943 in words is "seventy-four billion, eight hundred forty million, fifty-four thousand, nine hundred forty-three".

Divisors: 1 3 101 229 303 687 23129 69387 1078589 3235767 108937489 246996881 326812467 740990643 24946684981 74840054943