Base | Representation |
---|---|
bin | 100101100110011100… |
… | …0110000110011011100 |
3 | 21201102101102122111000 |
4 | 1023030320300303130 |
5 | 2310332142441411 |
6 | 101032233030300 |
7 | 5555660562324 |
oct | 1131470606334 |
9 | 251371378430 |
10 | 80746843356 |
11 | 312765405a3 |
12 | 13795b55390 |
13 | 77caa9586a |
14 | 3ca0028284 |
15 | 2178d45956 |
hex | 12cce30cdc |
80746843356 has 48 divisors (see below), whose sum is σ = 209602663200. Its totient is φ = 26882315136.
The previous prime is 80746843351. The next prime is 80746843393. The reversal of 80746843356 is 65334864708.
80746843356 is a `hidden beast` number, since 80 + 74 + 68 + 433 + 5 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80746843351) 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, 374715 + ... + 549458.
It is an arithmetic number, because the mean of its divisors is an integer number (4366722150).
Almost surely, 280746843356 is an apocalyptic number.
It is an amenable number.
80746843356 is an abundant number, since it is smaller than the sum of its proper divisors (128855819844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80746843356 is a wasteful number, since it uses less digits than its factorization.
80746843356 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 924995 (or 924987 counting only the distinct ones).
The product of its (nonzero) digits is 11612160, while the sum is 54.
The spelling of 80746843356 in words is "eighty billion, seven hundred forty-six million, eight hundred forty-three thousand, three hundred fifty-six".
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