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74842808874 = 2312473801479
BaseRepresentation
bin100010110110011111…
…0101010001000101010
321011011220221121202020
41011230332222020222
52211234224340444
654214325045310
75256450243651
oct1055476521052
9234156847666
1074842808874
11298168a6059
1212608856836
13709985a132
14389dc7a198
151e30867119
hex116cfaa22a

74842808874 has 8 divisors (see below), whose sum is σ = 149685617760. Its totient is φ = 24947602956.

The previous prime is 74842808837. The next prime is 74842808921. The reversal of 74842808874 is 47880824847.

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

74842808874 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6236900734 + ... + 6236900745.

It is an arithmetic number, because the mean of its divisors is an integer number (18710702220).

Almost surely, 274842808874 is an apocalyptic number.

74842808874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74842808874 is a wasteful number, since it uses less digits than its factorization.

74842808874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12473801484.

The product of its (nonzero) digits is 25690112, while the sum is 60.

The spelling of 74842808874 in words is "seventy-four billion, eight hundred forty-two million, eight hundred eight thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 12473801479 24947602958 37421404437 74842808874