Base | Representation |
---|---|
bin | 100000001100010001011… |
… | …101111100110001010001 |
3 | 21211111002002212210102000 |
4 | 200030101131330301101 |
5 | 242221042003034301 |
6 | 4412134325344213 |
7 | 315553260060366 |
oct | 40142135746121 |
9 | 7744062783360 |
10 | 2212201221201 |
11 | 783209a10074 |
12 | 2b88a5868069 |
13 | 1307c060c15a |
14 | 790dd1ac46d |
15 | 3c8276bd786 |
hex | 2031177cc51 |
2212201221201 has 16 divisors (see below), whose sum is σ = 3277380878400. Its totient is φ = 1474780233024.
The previous prime is 2212201221173. The next prime is 2212201221253. The reversal of 2212201221201 is 1021221022122.
It is a happy number.
2212201221201 is a `hidden beast` number, since 2 + 21 + 220 + 1 + 221 + 201 = 666.
It is not a de Polignac number, because 2212201221201 - 27 = 2212201221073 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2212201221271) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1540825 + ... + 2607401.
It is an arithmetic number, because the mean of its divisors is an integer number (204836304900).
Almost surely, 22212201221201 is an apocalyptic number.
It is an amenable number.
2212201221201 is a deficient number, since it is larger than the sum of its proper divisors (1065179657199).
2212201221201 is a wasteful number, since it uses less digits than its factorization.
2212201221201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1143405 (or 1143399 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 2212201221201 its reverse (1021221022122), we get a palindrome (3233422243323).
The spelling of 2212201221201 in words is "two trillion, two hundred twelve billion, two hundred one million, two hundred twenty-one thousand, two hundred one".
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