Base | Representation |
---|---|
bin | 111000110111011111… |
… | …0101010011111111010 |
3 | 102200012211012211110001 |
4 | 1301232332222133322 |
5 | 4000100434130200 |
6 | 132033540543214 |
7 | 11552162262412 |
oct | 1615676523772 |
9 | 380184184401 |
10 | 122121005050 |
11 | 4787813a660 |
12 | 1b8020b1b0a |
13 | b69274ac45 |
14 | 5ca6cdd642 |
15 | 329b2bb76a |
hex | 1c6efaa7fa |
122121005050 has 48 divisors (see below), whose sum is σ = 247962700800. Its totient is φ = 44377516800.
The previous prime is 122121005003. The next prime is 122121005051. The reversal of 122121005050 is 50500121221.
It is not an unprimeable number, because it can be changed into a prime (122121005051) 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, 744391 + ... + 893509.
It is an arithmetic number, because the mean of its divisors is an integer number (5165889600).
Almost surely, 2122121005050 is an apocalyptic number.
122121005050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122121005050 is an abundant number, since it is smaller than the sum of its proper divisors (125841695750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122121005050 is a wasteful number, since it uses less digits than its factorization.
122121005050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150631 (or 150626 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 19.
Adding to 122121005050 its reverse (50500121221), we get a palindrome (172621126271).
The spelling of 122121005050 in words is "one hundred twenty-two billion, one hundred twenty-one million, five thousand, fifty".
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