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78328033008 = 2439291756549
BaseRepresentation
bin100100011110010110…
…1101110111011110000
321111011211000100110120
41020330231232323300
52240403434024013
655552225330240
75442020203161
oct1107455567360
9244154010416
1078328033008
1130245150585
121321ba96980
137503922134
143b10aad768
152086806123
hex123cb6eef0

78328033008 has 40 divisors (see below), whose sum is σ = 202565346000. Its totient is φ = 26081224704.

The previous prime is 78328032983. The next prime is 78328033013. The reversal of 78328033008 is 80033082387.

It is a super-2 number, since 2×783280330082 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833683 + ... + 922866.

It is an arithmetic number, because the mean of its divisors is an integer number (5064133650).

Almost surely, 278328033008 is an apocalyptic number.

It is an amenable number.

78328033008 is an abundant number, since it is smaller than the sum of its proper divisors (124237312992).

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

78328033008 is a wasteful number, since it uses less digits than its factorization.

78328033008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757489 (or 1757483 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 78328033008 in words is "seventy-eight billion, three hundred twenty-eight million, thirty-three thousand, eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 929 1858 2787 3716 5574 7432 11148 14864 22296 44592 1756549 3513098 5269647 7026196 10539294 14052392 21078588 28104784 42157176 84314352 1631834021 3263668042 4895502063 6527336084 9791004126 13054672168 19582008252 26109344336 39164016504 78328033008