Base | Representation |
---|---|
bin | 10011001000111000… |
… | …000100010010110000 |
3 | 1222001011110200011200 |
4 | 103020320010102300 |
5 | 314041300310112 |
6 | 13235054011200 |
7 | 1325151126456 |
oct | 231070042260 |
9 | 58034420150 |
10 | 20550010032 |
11 | 8795a43772 |
12 | 3b961a6b00 |
13 | 1c2661c866 |
14 | dcd3789d6 |
15 | 8041b1cdc |
hex | 4c8e044b0 |
20550010032 has 60 divisors (see below), whose sum is σ = 58735154400. Its totient is φ = 6704256384.
The previous prime is 20550010009. The next prime is 20550010069. The reversal of 20550010032 is 23001005502.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20550009987 and 20550010014.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1511407 + ... + 1524942.
It is an arithmetic number, because the mean of its divisors is an integer number (978919240).
Almost surely, 220550010032 is an apocalyptic number.
It is an amenable number.
20550010032 is an abundant number, since it is smaller than the sum of its proper divisors (38185144368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20550010032 is a wasteful number, since it uses less digits than its factorization.
20550010032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3036410 (or 3036401 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
Adding to 20550010032 its reverse (23001005502), we get a palindrome (43551015534).
The spelling of 20550010032 in words is "twenty billion, five hundred fifty million, ten thousand, thirty-two".
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