Base | Representation |
---|---|
bin | 100101011100010111… |
… | …1100010011011110100 |
3 | 21200112211111101010102 |
4 | 1022320233202123310 |
5 | 2304134133142014 |
6 | 100534521213232 |
7 | 5544415132103 |
oct | 1127057423364 |
9 | 250484441112 |
10 | 80408880884 |
11 | 31112798372 |
12 | 13700931218 |
13 | 7775a65777 |
14 | 3c6b1b203a |
15 | 21593388de |
hex | 12b8be26f4 |
80408880884 has 6 divisors (see below), whose sum is σ = 140715541554. Its totient is φ = 40204440440.
The previous prime is 80408880883. The next prime is 80408880901. The reversal of 80408880884 is 48808880408.
It can be written as a sum of positive squares in only one way, i.e., 73564627984 + 6844252900 = 271228^2 + 82730^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80408880883) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051110107 + ... + 10051110114.
It is an arithmetic number, because the mean of its divisors is an integer number (23452590259).
Almost surely, 280408880884 is an apocalyptic number.
It is an amenable number.
80408880884 is a deficient number, since it is larger than the sum of its proper divisors (60306660670).
80408880884 is a wasteful number, since it uses less digits than its factorization.
80408880884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20102220225 (or 20102220223 counting only the distinct ones).
The product of its (nonzero) digits is 4194304, while the sum is 56.
The spelling of 80408880884 in words is "eighty billion, four hundred eight million, eight hundred eighty thousand, eight hundred eighty-four".
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