Base | Representation |
---|---|
bin | 111000111001110110… |
… | …0110001010000011100 |
3 | 102200102100020100210111 |
4 | 1301303230301100130 |
5 | 4000231222401340 |
6 | 132045450215404 |
7 | 11554143364210 |
oct | 1616354612034 |
9 | 380370210714 |
10 | 122200200220 |
11 | 4790891110a |
12 | 1b824724564 |
13 | b6a5c88ba7 |
14 | 5cb3636940 |
15 | 32a3211aea |
hex | 1c73b3141c |
122200200220 has 96 divisors (see below), whose sum is σ = 299667916800. Its totient is φ = 40985602560.
The previous prime is 122200200211. The next prime is 122200200229. The reversal of 122200200220 is 22002002221.
It is an interprime number because it is at equal distance from previous prime (122200200211) and next prime (122200200229).
It is a self number, because there is not a number n which added to its sum of digits gives 122200200220.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122200200229) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20059375 + ... + 20065465.
It is an arithmetic number, because the mean of its divisors is an integer number (3121540800).
Almost surely, 2122200200220 is an apocalyptic number.
122200200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122200200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149833958400).
122200200220 is an abundant number, since it is smaller than the sum of its proper divisors (177467716580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122200200220 is a wasteful number, since it uses less digits than its factorization.
122200200220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9203 (or 9201 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 13.
Adding to 122200200220 its reverse (22002002221), we get a palindrome (144202202441).
The spelling of 122200200220 in words is "one hundred twenty-two billion, two hundred million, two hundred thousand, two hundred twenty".
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