Base | Representation |
---|---|
bin | 100100010111011… |
… | …0111001110111100 |
3 | 10011001002211122111 |
4 | 1020232313032330 |
5 | 4444340310122 |
6 | 321030023404 |
7 | 42144622612 |
oct | 11056671674 |
9 | 3131084574 |
10 | 1220244412 |
11 | 576883762 |
12 | 2a07a7b64 |
13 | 165a61c1a |
14 | b80bd6b2 |
15 | 721d8d77 |
hex | 48bb73bc |
1220244412 has 6 divisors (see below), whose sum is σ = 2135427728. Its totient is φ = 610122204.
The previous prime is 1220244407. The next prime is 1220244449. The reversal of 1220244412 is 2144420221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152530548 + ... + 152530555.
Almost surely, 21220244412 is an apocalyptic number.
It is an amenable number.
1220244412 is a deficient number, since it is larger than the sum of its proper divisors (915183316).
1220244412 is a wasteful number, since it uses less digits than its factorization.
1220244412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 305061107 (or 305061105 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 22.
The square root of 1220244412 is about 34931.9969655329. The cubic root of 1220244412 is about 1068.6010809823.
Adding to 1220244412 its reverse (2144420221), we get a palindrome (3364664633).
The spelling of 1220244412 in words is "one billion, two hundred twenty million, two hundred forty-four thousand, four hundred twelve".
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