Base | Representation |
---|---|
bin | 100101011000011100… |
… | …0111101011010111100 |
3 | 21200012122120212222201 |
4 | 1022300320331122330 |
5 | 2303401421223423 |
6 | 100513453321244 |
7 | 5541225241333 |
oct | 1126070753274 |
9 | 250178525881 |
10 | 80277132988 |
11 | 31055392208 |
12 | 13684796224 |
13 | 7754687530 |
14 | 3c578b8d1a |
15 | 214c9b22ad |
hex | 12b0e3d6bc |
80277132988 has 48 divisors (see below), whose sum is σ = 153620367264. Its totient is φ = 36481167360.
The previous prime is 80277132979. The next prime is 80277133003. The reversal of 80277132988 is 88923177208.
It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10591056 + ... + 10598632.
It is an arithmetic number, because the mean of its divisors is an integer number (3200424318).
Almost surely, 280277132988 is an apocalyptic number.
It is an amenable number.
80277132988 is a deficient number, since it is larger than the sum of its proper divisors (73343234276).
80277132988 is a wasteful number, since it uses less digits than its factorization.
80277132988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10702 (or 10700 counting only the distinct ones).
The product of its (nonzero) digits is 2709504, while the sum is 55.
The spelling of 80277132988 in words is "eighty billion, two hundred seventy-seven million, one hundred thirty-two thousand, nine hundred eighty-eight".
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