Base | Representation |
---|---|
bin | 1100010110100000111… |
… | …0110100010100101110 |
3 | 202021201201201012210200 |
4 | 3011220032310110232 |
5 | 11434042220043202 |
6 | 241252335414330 |
7 | 21221365123305 |
oct | 3055016642456 |
9 | 667651635720 |
10 | 212202112302 |
11 | 81aa3618834 |
12 | 351620843a6 |
13 | 1701a2ca57b |
14 | a3b08b143c |
15 | 57be819e1c |
hex | 31683b452e |
212202112302 has 72 divisors (see below), whose sum is σ = 469805125608. Its totient is φ = 69207890400.
The previous prime is 212202112301. The next prime is 212202112307. The reversal of 212202112302 is 203211202212.
212202112302 is a `hidden beast` number, since 2 + 1 + 220 + 211 + 230 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212202112301) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27494148 + ... + 27501864.
It is an arithmetic number, because the mean of its divisors is an integer number (6525071189).
Almost surely, 2212202112302 is an apocalyptic number.
212202112302 is an abundant number, since it is smaller than the sum of its proper divisors (257603013306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212202112302 is a wasteful number, since it uses less digits than its factorization.
212202112302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8094 (or 7940 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 212202112302 its reverse (203211202212), we get a palindrome (415413314514).
The spelling of 212202112302 in words is "two hundred twelve billion, two hundred two million, one hundred twelve thousand, three hundred two".
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