Base | Representation |
---|---|
bin | 10010110100010000… |
… | …01001100001111110 |
3 | 222002000201210120010 |
4 | 21122020021201332 |
5 | 131142104121342 |
6 | 4350225204050 |
7 | 505223520000 |
oct | 113210114176 |
9 | 28060653503 |
10 | 10102020222 |
11 | 4314366348 |
12 | 1b5b190626 |
13 | c4cb8a678 |
14 | 6bb91c370 |
15 | 3e1d1129c |
hex | 25a20987e |
10102020222 has 80 divisors (see below), whose sum is σ = 23639185152. Its totient is φ = 2877824880.
The previous prime is 10102020191. The next prime is 10102020239. The reversal of 10102020222 is 22202020101.
It is a junction number, because it is equal to n+sod(n) for n = 10102020198 and 10102020207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6208173 + ... + 6209799.
Almost surely, 210102020222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10102020222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11819592576).
10102020222 is an abundant number, since it is smaller than the sum of its proper divisors (13537164930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10102020222 is an equidigital number, since it uses as much as digits as its factorization.
10102020222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2091 (or 2070 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 10102020222 its reverse (22202020101), we get a palindrome (32304040323).
The spelling of 10102020222 in words is "ten billion, one hundred two million, twenty thousand, two hundred twenty-two".
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