Base | Representation |
---|---|
bin | 101111100010110100… |
… | …1000110010101011100 |
3 | 100202112112102011102021 |
4 | 1133011221012111130 |
5 | 3133100113230322 |
6 | 114523144105524 |
7 | 10243064545600 |
oct | 1370551062534 |
9 | 322475364367 |
10 | 102100133212 |
11 | 3a333955290 |
12 | 179551652a4 |
13 | 982194610c |
14 | 4d27d43500 |
15 | 29c87cb4c7 |
hex | 17c5a4655c |
102100133212 has 72 divisors (see below), whose sum is σ = 229289946480. Its totient is φ = 39332240640.
The previous prime is 102100133209. The next prime is 102100133249. The reversal of 102100133212 is 212331001201.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 74163 + ... + 457930.
It is an arithmetic number, because the mean of its divisors is an integer number (3184582590).
Almost surely, 2102100133212 is an apocalyptic number.
It is an amenable number.
102100133212 is an abundant number, since it is smaller than the sum of its proper divisors (127189813268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102100133212 is a wasteful number, since it uses less digits than its factorization.
102100133212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 532211 (or 532202 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 102100133212 its reverse (212331001201), we get a palindrome (314431134413).
The spelling of 102100133212 in words is "one hundred two billion, one hundred million, one hundred thirty-three thousand, two hundred twelve".
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