Base | Representation |
---|---|
bin | 100101101101010111… |
… | …1101010011101110110 |
3 | 21202000120220122201110 |
4 | 1023122233222131312 |
5 | 2311321202323001 |
6 | 101111300135450 |
7 | 5564513011500 |
oct | 1133257523566 |
9 | 252016818643 |
10 | 80979339126 |
11 | 313857a9064 |
12 | 1383b997586 |
13 | 7836cb9b1a |
14 | 3cc2c68d70 |
15 | 218e46d3d6 |
hex | 12dabea776 |
80979339126 has 48 divisors (see below), whose sum is σ = 194478382080. Its totient is φ = 22390598160.
The previous prime is 80979339083. The next prime is 80979339169. The reversal of 80979339126 is 62193397908.
It is an interprime number because it is at equal distance from previous prime (80979339083) and next prime (80979339169).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4433466 + ... + 4451693.
It is an arithmetic number, because the mean of its divisors is an integer number (4051632960).
Almost surely, 280979339126 is an apocalyptic number.
80979339126 is an abundant number, since it is smaller than the sum of its proper divisors (113499042954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80979339126 is a wasteful number, since it uses less digits than its factorization.
80979339126 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8885209 (or 8885202 counting only the distinct ones).
The product of its (nonzero) digits is 4408992, while the sum is 57.
The spelling of 80979339126 in words is "eighty billion, nine hundred seventy-nine million, three hundred thirty-nine thousand, one hundred twenty-six".
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