Base | Representation |
---|---|
bin | 10011001001000111… |
… | …101100101110101110 |
3 | 1222001110011212021200 |
4 | 103021013230232232 |
5 | 314043322422242 |
6 | 13235321510330 |
7 | 1325231014413 |
oct | 231107545656 |
9 | 58043155250 |
10 | 20554107822 |
11 | 8798292476 |
12 | 3b976423a6 |
13 | 1c27425aa1 |
14 | dcdb2410a |
15 | 80472104c |
hex | 4c91ecbae |
20554107822 has 48 divisors (see below), whose sum is σ = 47417095440. Its totient is φ = 6412306176.
The previous prime is 20554107817. The next prime is 20554107829. The reversal of 20554107822 is 22870145502.
It is a happy number.
20554107822 is a `hidden beast` number, since 2 + 0 + 554 + 10 + 78 + 22 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20554107829) 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 23 ways as a sum of consecutive naturals, for example, 132853 + ... + 242400.
It is an arithmetic number, because the mean of its divisors is an integer number (987856155).
Almost surely, 220554107822 is an apocalyptic number.
20554107822 is an abundant number, since it is smaller than the sum of its proper divisors (26862987618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20554107822 is a wasteful number, since it uses less digits than its factorization.
20554107822 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 375457 (or 375454 counting only the distinct ones).
The product of its (nonzero) digits is 44800, while the sum is 36.
The spelling of 20554107822 in words is "twenty billion, five hundred fifty-four million, one hundred seven thousand, eight hundred twenty-two".
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