Base | Representation |
---|---|
bin | 11110110100111001100… |
… | …001000010010000000100 |
3 | 21111111220210220221021112 |
4 | 132310321201002100010 |
5 | 234201422230310322 |
6 | 4301101101304152 |
7 | 306022345345355 |
oct | 36647141022004 |
9 | 7444823827245 |
10 | 2118383838212 |
11 | 7474464a5704 |
12 | 2a2682565058 |
13 | 1249bb977595 |
14 | 7475d2d5d2c |
15 | 3a1861405e2 |
hex | 1ed39842404 |
2118383838212 has 24 divisors (see below), whose sum is σ = 3714272942016. Its totient is φ = 1057164935328.
The previous prime is 2118383838167. The next prime is 2118383838217. The reversal of 2118383838212 is 2128383838112.
It is not an unprimeable number, because it can be changed into a prime (2118383838217) 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, 4150883 + ... + 4633205.
It is an arithmetic number, because the mean of its divisors is an integer number (154761372584).
Almost surely, 22118383838212 is an apocalyptic number.
It is an amenable number.
2118383838212 is a deficient number, since it is larger than the sum of its proper divisors (1595889103804).
2118383838212 is a wasteful number, since it uses less digits than its factorization.
2118383838212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 484427 (or 484425 counting only the distinct ones).
The product of its digits is 884736, while the sum is 50.
The spelling of 2118383838212 in words is "two trillion, one hundred eighteen billion, three hundred eighty-three million, eight hundred thirty-eight thousand, two hundred twelve".
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