Base | Representation |
---|---|
bin | 11011101111010111010101… |
… | …000010000001111101101101 |
3 | 120222222021210112000020211202 |
4 | 123233113111002001331231 |
5 | 111442340320222402341 |
6 | 1111251000015255245 |
7 | 34461235161344453 |
oct | 3357272502017555 |
9 | 528867715006752 |
10 | 122002120122221 |
11 | 35967899247219 |
12 | 118249b321a525 |
13 | 530c99aca5b21 |
14 | 221ad113269d3 |
15 | e1884d82279b |
hex | 6ef5d5081f6d |
122002120122221 has 8 divisors (see below), whose sum is σ = 129747235726080. Its totient is φ = 114389399657088.
The previous prime is 122002120122203. The next prime is 122002120122247. The reversal of 122002120122221 is 122221021200221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122002120122221 - 210 = 122002120121197 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 122002120122193 and 122002120122202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122002120128221) 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, 33098782781 + ... + 33098786466.
It is an arithmetic number, because the mean of its divisors is an integer number (16218404465760).
Almost surely, 2122002120122221 is an apocalyptic number.
It is an amenable number.
122002120122221 is a deficient number, since it is larger than the sum of its proper divisors (7745115603859).
122002120122221 is an equidigital number, since it uses as much as digits as its factorization.
122002120122221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66197569363.
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 122002120122221 its reverse (122221021200221), we get a palindrome (244223141322442).
The spelling of 122002120122221 in words is "one hundred twenty-two trillion, two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred twenty-one".
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