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74424842447 = 283299987691
BaseRepresentation
bin100010101010000010…
…0001111100011001111
321010002210110201121012
41011110010033203033
52204410224424242
654105034355435
75243213502644
oct1052404174317
9233083421535
1074424842447
112962197975a
121251088bb7b
137031097c17
143860559dcb
151e08d05282
hex115410f8cf

74424842447 has 8 divisors (see below), whose sum is σ = 74713584000. Its totient is φ = 74136282840.

The previous prime is 74424842441. The next prime is 74424842507.

74424842447 is nontrivially palindromic in base 10.

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 74424842447 - 24 = 74424842431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74424842395 and 74424842404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74424842441) 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, 804872 + ... + 892562.

It is an arithmetic number, because the mean of its divisors is an integer number (9339198000).

Almost surely, 274424842447 is an apocalyptic number.

74424842447 is a deficient number, since it is larger than the sum of its proper divisors (288741553).

74424842447 is a wasteful number, since it uses less digits than its factorization.

74424842447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90973.

The product of its digits is 6422528, while the sum is 50.

The spelling of 74424842447 in words is "seventy-four billion, four hundred twenty-four million, eight hundred forty-two thousand, four hundred forty-seven".

Divisors: 1 283 2999 87691 848717 24816553 262985309 74424842447