Base | Representation |
---|---|
bin | 111100010101010… |
… | …011001001000000 |
3 | 2121112122220211201 |
4 | 330111103021000 |
5 | 4033111411014 |
6 | 244235150544 |
7 | 34040461114 |
oct | 7425231100 |
9 | 2545586751 |
10 | 1012216384 |
11 | 47a408173 |
12 | 242ba5454 |
13 | 13192680a |
14 | 9860b744 |
15 | 5dce5e74 |
hex | 3c553240 |
1012216384 has 28 divisors (see below), whose sum is σ = 2095951104. Its totient is φ = 484102784.
The previous prime is 1012216349. The next prime is 1012216409. The reversal of 1012216384 is 4836122101.
It is a super-3 number, since 3×10122163843 (a number of 28 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342352 + ... + 345295.
Almost surely, 21012216384 is an apocalyptic number.
It is an amenable number.
1012216384 is an abundant number, since it is smaller than the sum of its proper divisors (1083734720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1012216384 is an equidigital number, since it uses as much as digits as its factorization.
1012216384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 687682 (or 687672 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 1012216384 is about 31815.3482457760. The cubic root of 1012216384 is about 1004.0556574067.
Adding to 1012216384 its reverse (4836122101), we get a palindrome (5848338485).
The spelling of 1012216384 in words is "one billion, twelve million, two hundred sixteen thousand, three hundred eighty-four".
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