Base | Representation |
---|---|
bin | 111001000100000010… |
… | …1011100010011111100 |
3 | 102201022011210101020100 |
4 | 1302020011130103330 |
5 | 4001431301243343 |
6 | 132143424521100 |
7 | 11565465422133 |
oct | 1621005342374 |
9 | 381264711210 |
10 | 122542212348 |
11 | 47a7397a966 |
12 | 1b8bb180190 |
13 | b72baa632a |
14 | 5d06c2491a |
15 | 32c326d9d3 |
hex | 1c8815c4fc |
122542212348 has 108 divisors (see below), whose sum is σ = 328133529360. Its totient is φ = 38487106944.
The previous prime is 122542212343. The next prime is 122542212349. The reversal of 122542212348 is 843212245221.
122542212348 is a `hidden beast` number, since 1 + 225 + 422 + 1 + 2 + 3 + 4 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122542212343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3700408 + ... + 3733376.
It is an arithmetic number, because the mean of its divisors is an integer number (3038273420).
Almost surely, 2122542212348 is an apocalyptic number.
122542212348 is a gapful number since it is divisible by the number (18) 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 122542212348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164066764680).
122542212348 is an abundant number, since it is smaller than the sum of its proper divisors (205591317012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122542212348 is a wasteful number, since it uses less digits than its factorization.
122542212348 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33136 (or 33064 counting only the distinct ones).
The product of its digits is 61440, while the sum is 36.
Adding to 122542212348 its reverse (843212245221), we get a palindrome (965754457569).
The spelling of 122542212348 in words is "one hundred twenty-two billion, five hundred forty-two million, two hundred twelve thousand, three hundred forty-eight".
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