Base | Representation |
---|---|
bin | 1100010111010111010… |
… | …0111100100000011101 |
3 | 202022022121220211112100 |
4 | 3011311310330200131 |
5 | 11440024113223401 |
6 | 241331124355313 |
7 | 21230135000343 |
oct | 3056564744035 |
9 | 668277824470 |
10 | 212430211101 |
11 | 82100352839 |
12 | 35206545b39 |
13 | 17055642384 |
14 | a3d2cc9993 |
15 | 57d4874b86 |
hex | 3175d3c81d |
212430211101 has 12 divisors (see below), whose sum is σ = 314327629980. Its totient is φ = 138165990720.
The previous prime is 212430211099. The next prime is 212430211157. The reversal of 212430211101 is 101112034212.
212430211101 is a `hidden beast` number, since 2 + 12 + 430 + 211 + 10 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 109975803876 + 102454407225 = 331626^2 + 320085^2 .
It is not a de Polignac number, because 212430211101 - 21 = 212430211099 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212430211181) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287845446 + ... + 287846183.
It is an arithmetic number, because the mean of its divisors is an integer number (26193969165).
Almost surely, 2212430211101 is an apocalyptic number.
It is an amenable number.
212430211101 is a deficient number, since it is larger than the sum of its proper divisors (101897418879).
212430211101 is a wasteful number, since it uses less digits than its factorization.
212430211101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 575691676 (or 575691673 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 212430211101 its reverse (101112034212), we get a palindrome (313542245313).
The spelling of 212430211101 in words is "two hundred twelve billion, four hundred thirty million, two hundred eleven thousand, one hundred one".
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