Base | Representation |
---|---|
bin | 10111001101110001111010… |
… | …001010000100110101101010 |
3 | 111101111212010202210000222100 |
4 | 113031301322022010311222 |
5 | 101340314410034201442 |
6 | 1001053003343234230 |
7 | 30335425016421450 |
oct | 2715617212046552 |
9 | 441455122700870 |
10 | 102102012022122 |
11 | 2a595246aa1062 |
12 | b5500792a8976 |
13 | 44c8241cb3188 |
14 | 1b2da99a2a9d0 |
15 | bc0d9347184c |
hex | 5cdc7a284d6a |
102102012022122 has 24 divisors (see below), whose sum is σ = 252824029769376. Its totient is φ = 29172003434856.
The previous prime is 102102012022121. The next prime is 102102012022183. The reversal of 102102012022122 is 221220210201201.
It is a happy number.
102102012022122 is a `hidden beast` number, since 10 + 210 + 201 + 2 + 0 + 221 + 22 = 666.
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 = 102102012022095 and 102102012022104.
It is not an unprimeable number, because it can be changed into a prime (102102012022121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405166714248 + ... + 405166714499.
It is an arithmetic number, because the mean of its divisors is an integer number (10534334573724).
Almost surely, 2102102012022122 is an apocalyptic number.
102102012022122 is an abundant number, since it is smaller than the sum of its proper divisors (150722017747254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102102012022122 is a wasteful number, since it uses less digits than its factorization.
102102012022122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 810333428762 (or 810333428759 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 102102012022122 its reverse (221220210201201), we get a palindrome (323322222223323).
The spelling of 102102012022122 in words is "one hundred two trillion, one hundred two billion, twelve million, twenty-two thousand, one hundred twenty-two".
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