Base | Representation |
---|---|
bin | 1100010101110011010… |
… | …1111001101100001100 |
3 | 202021020102011021221211 |
4 | 3011130311321230030 |
5 | 11433144311000213 |
6 | 241221352104204 |
7 | 21213555013666 |
oct | 3053465715414 |
9 | 667212137854 |
10 | 212011031308 |
11 | 81a0577785a |
12 | 3510a095064 |
13 | 16cb9846aab |
14 | a393371536 |
15 | 57acb7353d |
hex | 315cd79b0c |
212011031308 has 24 divisors (see below), whose sum is σ = 391474359920. Its totient is φ = 100187720640.
The previous prime is 212011031303. The next prime is 212011031311. The reversal of 212011031308 is 803130110212.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (212011031303) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3281091 + ... + 3345082.
Almost surely, 2212011031308 is an apocalyptic number.
It is an amenable number.
212011031308 is a deficient number, since it is larger than the sum of its proper divisors (179463328612).
212011031308 is a wasteful number, since it uses less digits than its factorization.
212011031308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6626617 (or 6626615 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 22.
The spelling of 212011031308 in words is "two hundred twelve billion, eleven million, thirty-one thousand, three hundred eight".
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