Base | Representation |
---|---|
bin | 10001110010010010000… |
… | …011000110111000001001 |
3 | 11022211202200102212201220 |
4 | 101302102003012320021 |
5 | 130011102034001301 |
6 | 2333251445432253 |
7 | 154205530042125 |
oct | 21622203067011 |
9 | 4284680385656 |
10 | 1222221000201 |
11 | 431382989473 |
12 | 178a5b40b689 |
13 | 8b341167736 |
14 | 43227796585 |
15 | 21bd5920936 |
hex | 11c920c6e09 |
1222221000201 has 24 divisors (see below), whose sum is σ = 1806393756864. Its totient is φ = 733540980480.
The previous prime is 1222221000193. The next prime is 1222221000233. The reversal of 1222221000201 is 1020001222221.
It is not a de Polignac number, because 1222221000201 - 23 = 1222221000193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1222221000241) 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, 30625990 + ... + 30665871.
It is an arithmetic number, because the mean of its divisors is an integer number (75266406536).
Almost surely, 21222221000201 is an apocalyptic number.
It is an amenable number.
1222221000201 is a deficient number, since it is larger than the sum of its proper divisors (584172756663).
1222221000201 is a wasteful number, since it uses less digits than its factorization.
1222221000201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61291921 (or 61291904 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 1222221000201 its reverse (1020001222221), we get a palindrome (2242222222422).
The spelling of 1222221000201 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred one", and thus it is an aban number.
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