Base | Representation |
---|---|
bin | 10111001101110001111001… |
… | …100011111010111101110100 |
3 | 111101111212010001221212221020 |
4 | 113031301321203322331310 |
5 | 101340314400004121322 |
6 | 1001053002345021140 |
7 | 30335424535413405 |
oct | 2715617143727564 |
9 | 441455101855836 |
10 | 102102002020212 |
11 | 2a59524138a517 |
12 | b550075a847b0 |
13 | 44c823cbc079c |
14 | 1b2da985859ac |
15 | bc0d9264805c |
hex | 5cdc798faf74 |
102102002020212 has 24 divisors (see below), whose sum is σ = 252252004991616. Its totient is φ = 32032000633728.
The previous prime is 102102002020157. The next prime is 102102002020219. The reversal of 102102002020212 is 212020200201201.
It is a junction number, because it is equal to n+sod(n) for n = 102102002020191 and 102102002020200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102102002020219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250250004748 + ... + 250250005155.
It is an arithmetic number, because the mean of its divisors is an integer number (10510500207984).
Almost surely, 2102102002020212 is an apocalyptic number.
102102002020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102102002020212 is an abundant number, since it is smaller than the sum of its proper divisors (150150002971404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102102002020212 is a wasteful number, since it uses less digits than its factorization.
102102002020212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500500009927 (or 500500009925 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 102102002020212 its reverse (212020200201201), we get a palindrome (314122202221413).
The spelling of 102102002020212 in words is "one hundred two trillion, one hundred two billion, two million, twenty thousand, two hundred twelve".
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