Base | Representation |
---|---|
bin | 10011010101010111… |
… | …111011100001100010 |
3 | 1222120210000111002000 |
4 | 103111113323201202 |
5 | 320003440024224 |
6 | 13311544104430 |
7 | 1333305306360 |
oct | 232527734142 |
9 | 58523014060 |
10 | 20759689314 |
11 | 8893337931 |
12 | 4034465116 |
13 | 1c5abb5740 |
14 | 100d15a630 |
15 | 8177ce0c9 |
hex | 4d55fb862 |
20759689314 has 64 divisors (see below), whose sum is σ = 56778650880. Its totient is φ = 5475081600.
The previous prime is 20759689309. The next prime is 20759689331. The reversal of 20759689314 is 41398695702.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2107387 + ... + 2117214.
It is an arithmetic number, because the mean of its divisors is an integer number (887166420).
It is a 1-persistent number, because it is pandigital, but 2⋅20759689314 = 41519378628 is not.
Almost surely, 220759689314 is an apocalyptic number.
20759689314 is an abundant number, since it is smaller than the sum of its proper divisors (36018961566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20759689314 is a wasteful number, since it uses less digits than its factorization.
20759689314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4224632 (or 4224626 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
The spelling of 20759689314 in words is "twenty billion, seven hundred fifty-nine million, six hundred eighty-nine thousand, three hundred fourteen".
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