Base | Representation |
---|---|
bin | 1010000110011001100100… |
… | …11000101100001110001010 |
3 | 2220122021012112110100012100 |
4 | 11003030302120230032022 |
5 | 10402342312013033002 |
6 | 115123104442054230 |
7 | 4451425336313631 |
oct | 503146230541612 |
9 | 86567175410170 |
10 | 22210121221002 |
11 | 709329445a180 |
12 | 25a85787aa376 |
13 | c515369b8330 |
14 | 56ad930a8518 |
15 | 287b09b3d11c |
hex | 14333262c38a |
22210121221002 has 192 divisors, whose sum is σ = 57534693600384. Its totient is φ = 6103684177920.
The previous prime is 22210121220941. The next prime is 22210121221021. The reversal of 22210121221002 is 20012212101222.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
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 95 ways as a sum of consecutive naturals, for example, 33881233 + ... + 34530539.
It is an arithmetic number, because the mean of its divisors is an integer number (299659862502).
Almost surely, 222210121221002 is an apocalyptic number.
22210121221002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 22210121221002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28767346800192).
22210121221002 is an abundant number, since it is smaller than the sum of its proper divisors (35324572379382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22210121221002 is a wasteful number, since it uses less digits than its factorization.
22210121221002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 649573 (or 649570 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 22210121221002 its reverse (20012212101222), we get a palindrome (42222333322224).
The spelling of 22210121221002 in words is "twenty-two trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty-one thousand, two".
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