Base | Representation |
---|---|
bin | 10010101011101110… |
… | …110011000101101000 |
3 | 1220210002101110202112 |
4 | 102223232303011220 |
5 | 312041111303000 |
6 | 13114345421452 |
7 | 1310063015000 |
oct | 225356630550 |
9 | 56702343675 |
10 | 20061041000 |
11 | 8564a31030 |
12 | 3a7a49a888 |
13 | 1b7922a680 |
14 | d84455000 |
15 | 7c62c7235 |
hex | 4abbb3168 |
20061041000 has 512 divisors, whose sum is σ = 64471680000. Its totient is φ = 5757696000.
The previous prime is 20061040963. The next prime is 20061041009. The reversal of 20061041000 is 14016002.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is not an unprimeable number, because it can be changed into a prime (20061041009) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 49048796 + ... + 49049204.
It is an arithmetic number, because the mean of its divisors is an integer number (125921250).
Almost surely, 220061041000 is an apocalyptic number.
20061041000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20061041000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32235840000).
20061041000 is an abundant number, since it is smaller than the sum of its proper divisors (44410639000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20061041000 is a wasteful number, since it uses less digits than its factorization.
20061041000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 475 (or 447 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 20061041000 its reverse (14016002), we get a palindrome (20075057002).
The spelling of 20061041000 in words is "twenty billion, sixty-one million, forty-one thousand".
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