Base | Representation |
---|---|
bin | 10111001100011110001100… |
… | …010011101000000001101110 |
3 | 111101012021010012020001112110 |
4 | 113030132030103220001232 |
5 | 101332331311240432342 |
6 | 1000543415540344450 |
7 | 30326063325516621 |
oct | 2714361423500156 |
9 | 441167105201473 |
10 | 102012122202222 |
11 | 2a560109594a01 |
12 | b5367713a5126 |
13 | 44bc917c5a22b |
14 | 1b295ad60ddb8 |
15 | bbd881b0ac9c |
hex | 5cc78c4e806e |
102012122202222 has 16 divisors (see below), whose sum is σ = 204026110808832. Its totient is φ = 34003729666680.
The previous prime is 102012122202167. The next prime is 102012122202227. The reversal of 102012122202222 is 222202221210201.
It is a super-2 number, since 2×1020121222022222 (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 (102012122202227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77055808 + ... + 78368499.
It is an arithmetic number, because the mean of its divisors is an integer number (12751631925552).
Almost surely, 2102012122202222 is an apocalyptic number.
102012122202222 is an abundant number, since it is smaller than the sum of its proper divisors (102013988606610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102012122202222 is a wasteful number, since it uses less digits than its factorization.
102012122202222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155533703.
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 102012122202222 its reverse (222202221210201), we get a palindrome (324214343412423).
The spelling of 102012122202222 in words is "one hundred two trillion, twelve billion, one hundred twenty-two million, two hundred two thousand, two hundred twenty-two".
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