Base | Representation |
---|---|
bin | 101111100000001001… |
… | …0000010010001111100 |
3 | 100202022021012010220110 |
4 | 1133000102002101330 |
5 | 3132404102414322 |
6 | 114510212350020 |
7 | 10240623255303 |
oct | 1370022022174 |
9 | 322267163813 |
10 | 102010201212 |
11 | 3a298110017 |
12 | 1792b015310 |
13 | 980911910a |
14 | 4d1a01343a |
15 | 29c0964c0c |
hex | 17c048247c |
102010201212 has 24 divisors (see below), whose sum is σ = 245701990912. Its totient is φ = 32906516400.
The previous prime is 102010201201. The next prime is 102010201231. The reversal of 102010201212 is 212102010201.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137110114 + ... + 137110857.
Almost surely, 2102010201212 is an apocalyptic number.
102010201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102010201212 is an abundant number, since it is smaller than the sum of its proper divisors (143691789700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102010201212 is a wasteful number, since it uses less digits than its factorization.
102010201212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274221009 (or 274221007 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 102010201212 its reverse (212102010201), we get a palindrome (314112211413).
It can be divided in two parts, 102010201 and 212, that multiplied together give a palindrome (21626162612).
The spelling of 102010201212 in words is "one hundred two billion, ten million, two hundred one thousand, two hundred twelve".
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