Base | Representation |
---|---|
bin | 1100010111100101011… |
… | …0110011101011010000 |
3 | 202022110202022221010222 |
4 | 3011321112303223100 |
5 | 11440134242410342 |
6 | 241341041412212 |
7 | 21231454156451 |
oct | 3057126635320 |
9 | 668422287128 |
10 | 212489419472 |
11 | 82130812980 |
12 | 3522233a068 |
13 | 170649a2c05 |
14 | a3daadd128 |
15 | 57d9b6ced2 |
hex | 31795b3ad0 |
212489419472 has 40 divisors (see below), whose sum is σ = 475544509632. Its totient is φ = 90904563200.
The previous prime is 212489419423. The next prime is 212489419507. The reversal of 212489419472 is 274914984212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35506604 + ... + 35512587.
Almost surely, 2212489419472 is an apocalyptic number.
212489419472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
212489419472 is an abundant number, since it is smaller than the sum of its proper divisors (263055090160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212489419472 is a wasteful number, since it uses less digits than its factorization.
212489419472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71019227 (or 71019221 counting only the distinct ones).
The product of its digits is 2322432, while the sum is 53.
The spelling of 212489419472 in words is "two hundred twelve billion, four hundred eighty-nine million, four hundred nineteen thousand, four hundred seventy-two".
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