Base | Representation |
---|---|
bin | 1100010110100001001… |
… | …0010010011100110001 |
3 | 202021201210102102211222 |
4 | 3011220102102130301 |
5 | 11434042433202004 |
6 | 241252411114425 |
7 | 21221405633000 |
oct | 3055022223461 |
9 | 667653372758 |
10 | 212203022129 |
11 | 81aa408a35a |
12 | 35162442a15 |
13 | 1701a558727 |
14 | a3b0a6ac37 |
15 | 57be9497be |
hex | 3168492731 |
212203022129 has 32 divisors (see below), whose sum is σ = 253440211200. Its totient is φ = 177505364736.
The previous prime is 212203022063. The next prime is 212203022167. The reversal of 212203022129 is 921220302212.
It is not a de Polignac number, because 212203022129 - 224 = 212186244913 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212203022098 and 212203022107.
It is not an unprimeable number, because it can be changed into a prime (212203022179) 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, 19123907 + ... + 19134999.
It is an arithmetic number, because the mean of its divisors is an integer number (7920006600).
Almost surely, 2212203022129 is an apocalyptic number.
It is an amenable number.
212203022129 is a deficient number, since it is larger than the sum of its proper divisors (41237189071).
212203022129 is a wasteful number, since it uses less digits than its factorization.
212203022129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12454 (or 12440 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 26.
The spelling of 212203022129 in words is "two hundred twelve billion, two hundred three million, twenty-two thousand, one hundred twenty-nine".
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