Base | Representation |
---|---|
bin | 100100001000101… |
… | …0001110100001000 |
3 | 10010111111211011211 |
4 | 1020101101310020 |
5 | 4440344121333 |
6 | 320151502504 |
7 | 42021662155 |
oct | 11021216410 |
9 | 3114454154 |
10 | 1212488968 |
11 | 5724669a9 |
12 | 29a087a34 |
13 | 164277bc2 |
14 | b706122c |
15 | 716a5ecd |
hex | 48451d08 |
1212488968 has 16 divisors (see below), whose sum is σ = 2294275500. Its totient is φ = 600682176.
The previous prime is 1212488951. The next prime is 1212488969. The reversal of 1212488968 is 8698842121.
It can be written as a sum of positive squares in 2 ways, for example, as 1162673604 + 49815364 = 34098^2 + 7058^2 .
It is not an unprimeable number, because it can be changed into a prime (1212488969) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694363 + ... + 696106.
Almost surely, 21212488968 is an apocalyptic number.
It is an amenable number.
1212488968 is a deficient number, since it is larger than the sum of its proper divisors (1081786532).
1212488968 is a wasteful number, since it uses less digits than its factorization.
1212488968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1390584 (or 1390580 counting only the distinct ones).
The product of its digits is 442368, while the sum is 49.
The square root of 1212488968 is about 34820.8122823119. The cubic root of 1212488968 is about 1066.3323837048.
The spelling of 1212488968 in words is "one billion, two hundred twelve million, four hundred eighty-eight thousand, nine hundred sixty-eight".
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