Base | Representation |
---|---|
bin | 10011001011111010… |
… | …111110100110100000 |
3 | 1222011201121120000111 |
4 | 103023322332212200 |
5 | 314142340323200 |
6 | 13244121101104 |
7 | 1326341334013 |
oct | 231372764640 |
9 | 58151546014 |
10 | 20601104800 |
11 | 8811871a51 |
12 | 3bab327794 |
13 | 1c3409c353 |
14 | dd607937a |
15 | 8089060ba |
hex | 4cbebe9a0 |
20601104800 has 36 divisors (see below), whose sum is σ = 50292449046. Its totient is φ = 8240441600.
The previous prime is 20601104791. The next prime is 20601104833. The reversal of 20601104800 is 840110602.
It can be written as a sum of positive squares in 3 ways, for example, as 19787486224 + 813618576 = 140668^2 + 28524^2 .
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 12874891 + ... + 12876490.
Almost surely, 220601104800 is an apocalyptic number.
20601104800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20601104800 is an abundant number, since it is smaller than the sum of its proper divisors (29691344246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20601104800 is a wasteful number, since it uses less digits than its factorization.
20601104800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25751401 (or 25751388 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 22.
The spelling of 20601104800 in words is "twenty billion, six hundred one million, one hundred four thousand, eight hundred".
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