Base | Representation |
---|---|
bin | 111000110011111000… |
… | …1110101001000011101 |
3 | 102122220101220022101010 |
4 | 1301213301311020131 |
5 | 3444324022401341 |
6 | 132013543405433 |
7 | 11546164406634 |
oct | 1614761651035 |
9 | 378811808333 |
10 | 122000200221 |
11 | 47815a29159 |
12 | 1b789753879 |
13 | b6737018b3 |
14 | 5c94c5451b |
15 | 32908a7716 |
hex | 1c67c7521d |
122000200221 has 4 divisors (see below), whose sum is σ = 162666933632. Its totient is φ = 81333466812.
The previous prime is 122000200219. The next prime is 122000200229. The reversal of 122000200221 is 122002000221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 122000200221 - 21 = 122000200219 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122000200197 and 122000200206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122000200229) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20333366701 + ... + 20333366706.
It is an arithmetic number, because the mean of its divisors is an integer number (40666733408).
Almost surely, 2122000200221 is an apocalyptic number.
It is an amenable number.
122000200221 is a deficient number, since it is larger than the sum of its proper divisors (40666733411).
122000200221 is an equidigital number, since it uses as much as digits as its factorization.
122000200221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40666733410.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 122000200221 its reverse (122002000221), we get a palindrome (244002200442).
The spelling of 122000200221 in words is "one hundred twenty-two billion, two hundred thousand, two hundred twenty-one".
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