Base | Representation |
---|---|
bin | 100101010010110011… |
… | …1011111100100001110 |
3 | 21122201110201011222220 |
4 | 1022211213133210032 |
5 | 2303010012124003 |
6 | 100443015520210 |
7 | 5533440544410 |
oct | 1124547374416 |
9 | 248643634886 |
10 | 80088004878 |
11 | 30a68655492 |
12 | 13631389066 |
13 | 77244388cb |
14 | 3c3a7269b0 |
15 | 213b0a4353 |
hex | 12a59df90e |
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".
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