Base | Representation |
---|---|
bin | 10111001110000100101110… |
… | …110110000011111110011001 |
3 | 111101120210022022220101202220 |
4 | 113032010232312003332121 |
5 | 101341132303132232420 |
6 | 1001110145101414253 |
7 | 30340041615552150 |
oct | 2716045666037631 |
9 | 441523268811686 |
10 | 102122223320985 |
11 | 2a5a287882003a |
12 | b553b79b6a389 |
13 | 44ca11339cc0a |
14 | 1b30a55dd6597 |
15 | bc1677a29840 |
hex | 5ce12ed83f99 |
102122223320985 has 64 divisors (see below), whose sum is σ = 190037037772800. Its totient is φ = 45864277320960.
The previous prime is 102122223320983. The next prime is 102122223321011. The reversal of 102122223320985 is 589023322221201.
It is not a de Polignac number, because 102122223320985 - 21 = 102122223320983 is a prime.
It is a super-2 number, since 2×1021222233209852 (a number of 29 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (102122223320983) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22092510 + ... + 26312039.
It is an arithmetic number, because the mean of its divisors is an integer number (2969328715200).
Almost surely, 2102122223320985 is an apocalyptic number.
102122223320985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102122223320985 is a deficient number, since it is larger than the sum of its proper divisors (87914814451815).
102122223320985 is a wasteful number, since it uses less digits than its factorization.
102122223320985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48404918.
The product of its (nonzero) digits is 207360, while the sum is 42.
The spelling of 102122223320985 in words is "one hundred two trillion, one hundred twenty-two billion, two hundred twenty-three million, three hundred twenty thousand, nine hundred eighty-five".
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