Base | Representation |
---|---|
bin | 11011101111101000000101… |
… | …111110000000011100111100 |
3 | 121000001000021000212121200122 |
4 | 123233220011332000130330 |
5 | 111443134201440121340 |
6 | 1111303134133114112 |
7 | 34462443230426603 |
oct | 3357500576003474 |
9 | 530030230777618 |
10 | 122020121020220 |
11 | 35974496292325 |
12 | 11828397788938 |
13 | 53115a945c067 |
14 | 221bb3bd08a3a |
15 | e19053d06db5 |
hex | 6efa05f8073c |
122020121020220 has 48 divisors (see below), whose sum is σ = 272692563232320. Its totient is φ = 45703804038144.
The previous prime is 122020121020183. The next prime is 122020121020229. The reversal of 122020121020220 is 22020121020221.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122020121020229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910802840 + ... + 910936799.
It is an arithmetic number, because the mean of its divisors is an integer number (5681095067340).
Almost surely, 2122020121020220 is an apocalyptic number.
122020121020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122020121020220 is an abundant number, since it is smaller than the sum of its proper divisors (150672442212100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122020121020220 is a wasteful number, since it uses less digits than its factorization.
122020121020220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1821739862 (or 1821739860 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 122020121020220 its reverse (22020121020221), we get a palindrome (144040242040441).
Subtracting from 122020121020220 its reverse (22020121020221), we obtain a palindrome (99999999999999).
The spelling of 122020121020220 in words is "one hundred twenty-two trillion, twenty billion, one hundred twenty-one million, twenty thousand, two hundred twenty".
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