Base | Representation |
---|---|
bin | 10011011000100011… |
… | …111101110100011100 |
3 | 1222201111122220010210 |
4 | 103120203331310130 |
5 | 320111133113332 |
6 | 13321134332420 |
7 | 1334525035452 |
oct | 233043756434 |
9 | 58644586123 |
10 | 20813176092 |
11 | 891054a285 |
12 | 404a35a110 |
13 | 1c68cc1c17 |
14 | 10162c09d2 |
15 | 81c346ecc |
hex | 4d88fdd1c |
20813176092 has 48 divisors (see below), whose sum is σ = 51499863072. Its totient is φ = 6519582720.
The previous prime is 20813176091. The next prime is 20813176121. The reversal of 20813176092 is 29067131802.
It is a self number, because there is not a number n which added to its sum of digits gives 20813176092.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20813176091) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 55092 + ... + 211332.
It is an arithmetic number, because the mean of its divisors is an integer number (1072913814).
Almost surely, 220813176092 is an apocalyptic number.
It is an amenable number.
20813176092 is an abundant number, since it is smaller than the sum of its proper divisors (30686686980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20813176092 is a wasteful number, since it uses less digits than its factorization.
20813176092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156918 (or 156916 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 39.
The spelling of 20813176092 in words is "twenty billion, eight hundred thirteen million, one hundred seventy-six thousand, ninety-two".
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