Base | Representation |
---|---|
bin | 1100010110000010110… |
… | …0010101011101000010 |
3 | 202021101220201101001201 |
4 | 3011200230111131002 |
5 | 11433312330214300 |
6 | 241232020451414 |
7 | 21215301063343 |
oct | 3054054253502 |
9 | 667356641051 |
10 | 212075632450 |
11 | 81a39190630 |
12 | 35127849b6a |
13 | 16cca045116 |
14 | a39bb8a0ca |
15 | 57b368466a |
hex | 3160b15742 |
212075632450 has 96 divisors (see below), whose sum is σ = 448008289920. Its totient is φ = 74005747200.
The previous prime is 212075632411. The next prime is 212075632459. The reversal of 212075632450 is 54236570212.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is not an unprimeable number, because it can be changed into a prime (212075632459) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1414171 + ... + 1556929.
It is an arithmetic number, because the mean of its divisors is an integer number (4666753020).
Almost surely, 2212075632450 is an apocalyptic number.
212075632450 is an abundant number, since it is smaller than the sum of its proper divisors (235932657470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212075632450 is a wasteful number, since it uses less digits than its factorization.
212075632450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142892 (or 142887 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 37.
The spelling of 212075632450 in words is "two hundred twelve billion, seventy-five million, six hundred thirty-two thousand, four hundred fifty".
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