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74643285083 = 233245360221
BaseRepresentation
bin100010110000100010…
…1100010010001011011
321010200000111202120012
41011201011202101123
52210332140110313
654142440352135
75251505311643
oct1054105422133
9233600452505
1074643285083
1129724208964
1212571a7564b
13706740b813
14388157d523
151e1d0a3da8
hex116116245b

74643285083 has 4 divisors (see below), whose sum is σ = 77888645328. Its totient is φ = 71397924840.

The previous prime is 74643285077. The next prime is 74643285097. The reversal of 74643285083 is 38058234647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38058234647 = 53718079899.

It is a cyclic number.

It is not a de Polignac number, because 74643285083 - 26 = 74643285019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74643285023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1622680088 + ... + 1622680133.

It is an arithmetic number, because the mean of its divisors is an integer number (19472161332).

Almost surely, 274643285083 is an apocalyptic number.

74643285083 is a deficient number, since it is larger than the sum of its proper divisors (3245360245).

74643285083 is a wasteful number, since it uses less digits than its factorization.

74643285083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245360244.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 74643285083 in words is "seventy-four billion, six hundred forty-three million, two hundred eighty-five thousand, eighty-three".

Divisors: 1 23 3245360221 74643285083