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80088004878 = 23711316874843
BaseRepresentation
bin100101010010110011…
…1011111100100001110
321122201110201011222220
41022211213133210032
52303010012124003
6100443015520210
75533440544410
oct1124547374416
9248643634886
1080088004878
1130a68655492
1213631389066
1377244388cb
143c3a7269b0
15213b0a4353
hex12a59df90e

80088004878 has 32 divisors (see below), whose sum is σ = 184678292736. Its totient is φ = 22679787648.

The previous prime is 80088004817. The next prime is 80088004879. The reversal of 80088004878 is 87840088008.

It is a self number, because there is not a number n which added to its sum of digits gives 80088004878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80088004879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8432676 + ... + 8442167.

It is an arithmetic number, because the mean of its divisors is an integer number (5771196648).

Almost surely, 280088004878 is an apocalyptic number.

80088004878 is an abundant number, since it is smaller than the sum of its proper divisors (104590287858).

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

80088004878 is a wasteful number, since it uses less digits than its factorization.

80088004878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16874968.

The product of its (nonzero) digits is 917504, while the sum is 51.

The spelling of 80088004878 in words is "eighty billion, eighty-eight million, four thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 113 226 339 678 791 1582 2373 4746 16874843 33749686 50624529 101249058 118123901 236247802 354371703 708743406 1906857259 3813714518 5720571777 11441143554 13348000813 26696001626 40044002439 80088004878