Base | Representation |
---|---|
bin | 11001001011010… |
… | …11000001010010 |
3 | 112201102011212010 |
4 | 30211223001102 |
5 | 413031432010 |
6 | 32542443350 |
7 | 5143121436 |
oct | 1445530122 |
9 | 481364763 |
10 | 211202130 |
11 | a9244317 |
12 | 5a893556 |
13 | 349aa099 |
14 | 2009a9c6 |
15 | 1381d620 |
hex | c96b052 |
211202130 has 64 divisors (see below), whose sum is σ = 519716736. Its totient is φ = 54912000.
The previous prime is 211202113. The next prime is 211202137. The reversal of 211202130 is 31202112.
It is not an unprimeable number, because it can be changed into a prime (211202137) 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, 239290 + ... + 240170.
It is an arithmetic number, because the mean of its divisors is an integer number (8120574).
Almost surely, 2211202130 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 211202130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259858368).
211202130 is an abundant number, since it is smaller than the sum of its proper divisors (308514606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211202130 is a wasteful number, since it uses less digits than its factorization.
211202130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1083.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 211202130 is about 14532.7949823838. The cubic root of 211202130 is about 595.5242231671.
Adding to 211202130 its reverse (31202112), we get a palindrome (242404242).
The spelling of 211202130 in words is "two hundred eleven million, two hundred two thousand, one hundred thirty".
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