Base | Representation |
---|---|
bin | 110010101010100111… |
… | …1101111100101001101 |
3 | 101101211202121211012200 |
4 | 1211111033233211031 |
5 | 3240312404412223 |
6 | 121552315152113 |
7 | 10601162623623 |
oct | 1452517574515 |
9 | 341752554180 |
10 | 108804372813 |
11 | 42164260774 |
12 | 19106445639 |
13 | a34c8a6bb6 |
14 | 53a24b1513 |
15 | 2c6c172a43 |
hex | 19553ef94d |
108804372813 has 12 divisors (see below), whose sum is σ = 157196754780. Its totient is φ = 72520148736.
The previous prime is 108804372799. The next prime is 108804372839. The reversal of 108804372813 is 318273408801.
108804372813 is a `hidden beast` number, since 108 + 80 + 437 + 28 + 13 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 48242608164 + 60561764649 = 219642^2 + 246093^2 .
It is not a de Polignac number, because 108804372813 - 29 = 108804372301 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108804372713) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1298778 + ... + 1380011.
It is an arithmetic number, because the mean of its divisors is an integer number (13099729565).
Almost surely, 2108804372813 is an apocalyptic number.
It is an amenable number.
108804372813 is a deficient number, since it is larger than the sum of its proper divisors (48392381967).
108804372813 is a wasteful number, since it uses less digits than its factorization.
108804372813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2683308 (or 2683305 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The spelling of 108804372813 in words is "one hundred eight billion, eight hundred four million, three hundred seventy-two thousand, eight hundred thirteen".
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