Base | Representation |
---|---|
bin | 10011000110010111… |
… | …001001001110110100 |
3 | 1221221020002110021220 |
4 | 103012113021032310 |
5 | 314000000400301 |
6 | 13230545510340 |
7 | 1324126431324 |
oct | 230627111664 |
9 | 57836073256 |
10 | 20507825076 |
11 | 8774150572 |
12 | 3b840423b0 |
13 | 1c1a96c64b |
14 | dc7917284 |
15 | 80062c936 |
hex | 4c65c93b4 |
20507825076 has 24 divisors (see below), whose sum is σ = 47855742144. Its totient is φ = 6835348800.
The previous prime is 20507825057. The next prime is 20507825077. The reversal of 20507825076 is 67052870502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20507825077) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 83401 + ... + 219023.
It is an arithmetic number, because the mean of its divisors is an integer number (1993989256).
Almost surely, 220507825076 is an apocalyptic number.
It is an amenable number.
20507825076 is an abundant number, since it is smaller than the sum of its proper divisors (27347917068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20507825076 is a wasteful number, since it uses less digits than its factorization.
20507825076 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148231 (or 148229 counting only the distinct ones).
The product of its (nonzero) digits is 235200, while the sum is 42.
The spelling of 20507825076 in words is "twenty billion, five hundred seven million, eight hundred twenty-five thousand, seventy-six".
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