Base | Representation |
---|---|
bin | 1100010110100000111… |
… | …1001010001111110101 |
3 | 202021201201212202222120 |
4 | 3011220033022033311 |
5 | 11434042230431401 |
6 | 241252341350153 |
7 | 21221365646151 |
oct | 3055017121765 |
9 | 667651782876 |
10 | 212202202101 |
11 | 81aa367a24a |
12 | 35162108359 |
13 | 1701a32c3c6 |
14 | a3b08d6061 |
15 | 57be836836 |
hex | 31683ca3f5 |
212202202101 has 32 divisors (see below), whose sum is σ = 285677273088. Its totient is φ = 140106476160.
The previous prime is 212202202081. The next prime is 212202202129. The reversal of 212202202101 is 101202202212.
It is not a de Polignac number, because 212202202101 - 234 = 195022332917 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212202202141) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128063265 + ... + 128064921.
It is an arithmetic number, because the mean of its divisors is an integer number (8927414784).
Almost surely, 2212202202101 is an apocalyptic number.
It is an amenable number.
212202202101 is a deficient number, since it is larger than the sum of its proper divisors (73475070987).
212202202101 is a wasteful number, since it uses less digits than its factorization.
212202202101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2761.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 212202202101 its reverse (101202202212), we get a palindrome (313404404313).
The spelling of 212202202101 in words is "two hundred twelve billion, two hundred two million, two hundred two thousand, one hundred one".
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