Base | Representation |
---|---|
bin | 1011101101100100011… |
… | …1000011100101110010 |
3 | 201020100201222220211210 |
4 | 2323121013003211302 |
5 | 11244040004014302 |
6 | 232233550020550 |
7 | 20352124201521 |
oct | 2733107034562 |
9 | 636321886753 |
10 | 201211001202 |
11 | 78373401342 |
12 | 32bb51a7756 |
13 | 15c88195b33 |
14 | 9a4ac764b8 |
15 | 537993466c |
hex | 2ed91c3972 |
201211001202 has 16 divisors (see below), whose sum is σ = 402672439872. Its totient is φ = 67028594160.
The previous prime is 201211001197. The next prime is 201211001249. The reversal of 201211001202 is 202100112102.
It is a super-2 number, since 2×2012110012022 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10424449 + ... + 10443732.
It is an arithmetic number, because the mean of its divisors is an integer number (25167027492).
Almost surely, 2201211001202 is an apocalyptic number.
201211001202 is an abundant number, since it is smaller than the sum of its proper divisors (201461438670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201211001202 is a wasteful number, since it uses less digits than its factorization.
201211001202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20869793.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 201211001202 its reverse (202100112102), we get a palindrome (403311113304).
The spelling of 201211001202 in words is "two hundred one billion, two hundred eleven million, one thousand, two hundred two".
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