Base | Representation |
---|---|
bin | 10011011110010110… |
… | …010100000101111000 |
3 | 1222222021100022001022 |
4 | 103132112110011320 |
5 | 320311011314400 |
6 | 13334523242012 |
7 | 1340114165615 |
oct | 233626240570 |
9 | 58867308038 |
10 | 20910260600 |
11 | 896032a309 |
12 | 4076979308 |
13 | 1c83154688 |
14 | 102515350c |
15 | 825b22b85 |
hex | 4de594178 |
20910260600 has 24 divisors (see below), whose sum is σ = 48616356360. Its totient is φ = 8364104160.
The previous prime is 20910260557. The next prime is 20910260621. The reversal of 20910260600 is 606201902.
It is a self number, because there is not a number n which added to its sum of digits gives 20910260600.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52275452 + ... + 52275851.
It is an arithmetic number, because the mean of its divisors is an integer number (2025681515).
Almost surely, 220910260600 is an apocalyptic number.
20910260600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20910260600 is an abundant number, since it is smaller than the sum of its proper divisors (27706095760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20910260600 is a wasteful number, since it uses less digits than its factorization.
20910260600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104551319 (or 104551310 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 26.
The spelling of 20910260600 in words is "twenty billion, nine hundred ten million, two hundred sixty thousand, six hundred".
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