Base | Representation |
---|---|
bin | 10111001101110010001101… |
… | …101111001010100111011110 |
3 | 111101111212222122220001200100 |
4 | 113031302031233022213132 |
5 | 101340321043132342342 |
6 | 1001053100120041530 |
7 | 30335436115510521 |
oct | 2715621557124736 |
9 | 441455878801610 |
10 | 102102340512222 |
11 | 2a5953a5464586 |
12 | b55014b3032a6 |
13 | 44c829507790b |
14 | 1b2dacb4d8bb8 |
15 | bc0db220be4c |
hex | 5cdc8dbca9de |
102102340512222 has 24 divisors (see below), whose sum is σ = 221222864739240. Its totient is φ = 34033940125200.
The previous prime is 102102340512121. The next prime is 102102340512229. The reversal of 102102340512222 is 222215043201201.
102102340512222 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 0 + 23 + 405 + 12 + 222 = 666.
It is a super-2 number, since 2×1021023405122222 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102102340512229) 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, 10791697 + ... + 17907132.
It is an arithmetic number, because the mean of its divisors is an integer number (9217619364135).
Almost surely, 2102102340512222 is an apocalyptic number.
102102340512222 is an abundant number, since it is smaller than the sum of its proper divisors (119120524227018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102102340512222 is a wasteful number, since it uses less digits than its factorization.
102102340512222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28896488 (or 28896485 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
Adding to 102102340512222 its reverse (222215043201201), we get a palindrome (324317383713423).
The spelling of 102102340512222 in words is "one hundred two trillion, one hundred two billion, three hundred forty million, five hundred twelve thousand, two hundred twenty-two".
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