Base | Representation |
---|---|
bin | 111000110100100011… |
… | …0100100000010000101 |
3 | 102122221221200210210012 |
4 | 1301221012210002011 |
5 | 3444400214144141 |
6 | 132020055440005 |
7 | 11546554251350 |
oct | 1615106440205 |
9 | 378857623705 |
10 | 122022412421 |
11 | 4782751a548 |
12 | 1b795086005 |
13 | b6781aac00 |
14 | 5c97b97297 |
15 | 32927e3ceb |
hex | 1c691a4085 |
122022412421 has 24 divisors (see below), whose sum is σ = 152918196480. Its totient is φ = 95323041216.
The previous prime is 122022412411. The next prime is 122022412423. The reversal of 122022412421 is 124214220221.
It is not a de Polignac number, because 122022412421 - 218 = 122022150277 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122022412423) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559370 + ... + 746283.
It is an arithmetic number, because the mean of its divisors is an integer number (6371591520).
Almost surely, 2122022412421 is an apocalyptic number.
It is an amenable number.
122022412421 is a deficient number, since it is larger than the sum of its proper divisors (30895784059).
122022412421 is a wasteful number, since it uses less digits than its factorization.
122022412421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1305765 (or 1305752 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 23.
Adding to 122022412421 its reverse (124214220221), we get a palindrome (246236632642).
The spelling of 122022412421 in words is "one hundred twenty-two billion, twenty-two million, four hundred twelve thousand, four hundred twenty-one".
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