Base | Representation |
---|---|
bin | 10010111111111100… |
… | …11000001010000100 |
3 | 222022212022212212212 |
4 | 21133332120022010 |
5 | 131342212400423 |
6 | 4404052002552 |
7 | 510524414660 |
oct | 113776301204 |
9 | 28285285785 |
10 | 10200121988 |
11 | 4364780691 |
12 | 1b88000458 |
13 | c672b8154 |
14 | 6ca9778a0 |
15 | 3ea73d578 |
hex | 25ff98284 |
10200121988 has 48 divisors (see below), whose sum is σ = 20665970304. Its totient is φ = 4314643200.
The previous prime is 10200121973. The next prime is 10200121991. The reversal of 10200121988 is 88912100201.
10200121988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 4184306 + ... + 4186742.
It is an arithmetic number, because the mean of its divisors is an integer number (430541048).
Almost surely, 210200121988 is an apocalyptic number.
It is an amenable number.
10200121988 is an abundant number, since it is smaller than the sum of its proper divisors (10465848316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10200121988 is a wasteful number, since it uses less digits than its factorization.
10200121988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4332 (or 4330 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 32.
The spelling of 10200121988 in words is "ten billion, two hundred million, one hundred twenty-one thousand, nine hundred eighty-eight".
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