Base | Representation |
---|---|
bin | 100101000001010… |
… | …1010101010111010 |
3 | 10012120102221221202 |
4 | 1022002222222322 |
5 | 10021001304200 |
6 | 323132534202 |
7 | 42532431251 |
oct | 11202525272 |
9 | 3176387852 |
10 | 1242213050 |
11 | 588219061 |
12 | 2a8021362 |
13 | 16a484410 |
14 | bad9b798 |
15 | 740c81d5 |
hex | 4a0aaaba |
1242213050 has 96 divisors (see below), whose sum is σ = 2552180400. Its totient is φ = 447068160.
The previous prime is 1242213043. The next prime is 1242213073. The reversal of 1242213050 is 503122421.
It can be written as a sum of positive squares in 24 ways, for example, as 8025889 + 1234187161 = 2833^2 + 35131^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6305552 + ... + 6305748.
Almost surely, 21242213050 is an apocalyptic number.
1242213050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1242213050 is an abundant number, since it is smaller than the sum of its proper divisors (1309967350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1242213050 is a wasteful number, since it uses less digits than its factorization.
1242213050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420 (or 415 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 1242213050 is about 35245.0429138624. The cubic root of 1242213050 is about 1074.9758206207.
Adding to 1242213050 its reverse (503122421), we get a palindrome (1745335471).
The spelling of 1242213050 in words is "one billion, two hundred forty-two million, two hundred thirteen thousand, fifty".
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