Base | Representation |
---|---|
bin | 100000000010000001110… |
… | …000011000100110111001 |
3 | 21210102200102112000111211 |
4 | 200002001300120212321 |
5 | 242031024222400441 |
6 | 4403114543323121 |
7 | 315013535662546 |
oct | 40020160304671 |
9 | 7712612460454 |
10 | 2201200200121 |
11 | 77958414510a |
12 | 2b67355b04a1 |
13 | 12c759417b20 |
14 | 78778113bcd |
15 | 3c3d19cba81 |
hex | 20081c189b9 |
2201200200121 has 24 divisors (see below), whose sum is σ = 2627654025024. Its totient is φ = 1829208986880.
The previous prime is 2201200200097. The next prime is 2201200200131. The reversal of 2201200200121 is 1210020021022.
It is a happy number.
It is not a de Polignac number, because 2201200200121 - 219 = 2201199675833 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2201200200131) 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, 12650395 + ... + 12823216.
It is an arithmetic number, because the mean of its divisors is an integer number (109485584376).
Almost surely, 22201200200121 is an apocalyptic number.
It is an amenable number.
2201200200121 is a deficient number, since it is larger than the sum of its proper divisors (426453824903).
2201200200121 is a wasteful number, since it uses less digits than its factorization.
2201200200121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25473681 (or 25473664 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 2201200200121 its reverse (1210020021022), we get a palindrome (3411220221143).
The spelling of 2201200200121 in words is "two trillion, two hundred one billion, two hundred million, two hundred thousand, one hundred twenty-one".
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