Base | Representation |
---|---|
bin | 1011101101100100011… |
… | …1110100011010111010 |
3 | 201020100202101002012111 |
4 | 2323121013310122322 |
5 | 11244040031414320 |
6 | 232233554202534 |
7 | 20352125663605 |
oct | 2733107643272 |
9 | 636322332174 |
10 | 201211201210 |
11 | 78373528638 |
12 | 32bb528344a |
13 | 15c88235b96 |
14 | 9a4acc933c |
15 | 5379973a5a |
hex | 2ed91f46ba |
201211201210 has 16 divisors (see below), whose sum is σ = 373863393792. Its totient is φ = 77888206800.
The previous prime is 201211201183. The next prime is 201211201267. The reversal of 201211201210 is 12102112102.
It is a super-2 number, since 2×2012112012102 (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, 324533886 + ... + 324534505.
It is an arithmetic number, because the mean of its divisors is an integer number (23366462112).
Almost surely, 2201211201210 is an apocalyptic number.
201211201210 is a deficient number, since it is larger than the sum of its proper divisors (172652192582).
201211201210 is a wasteful number, since it uses less digits than its factorization.
201211201210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 649068429.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 201211201210 its reverse (12102112102), we get a palindrome (213313313312).
The spelling of 201211201210 in words is "two hundred one billion, two hundred eleven million, two hundred one thousand, two hundred ten".
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