Base | Representation |
---|---|
bin | 101010010110011… |
… | …0011111101110010 |
3 | 10200000220222021002 |
4 | 1110230303331302 |
5 | 10402241031310 |
6 | 353001402002 |
7 | 50133404213 |
oct | 12454637562 |
9 | 3600828232 |
10 | 1421033330 |
11 | 66a155412 |
12 | 337a99302 |
13 | 198534332 |
14 | d6a2940a |
15 | 84b4bda5 |
hex | 54b33f72 |
1421033330 has 16 divisors (see below), whose sum is σ = 2592900504. Its totient is φ = 560626560.
The previous prime is 1421033303. The next prime is 1421033333. The reversal of 1421033330 is 333301241.
It can be written as a sum of positive squares in 4 ways, for example, as 984265129 + 436768201 = 31373^2 + 20899^2 .
It is not an unprimeable number, because it can be changed into a prime (1421033333) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972581 + ... + 974040.
Almost surely, 21421033330 is an apocalyptic number.
1421033330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1421033330 is a deficient number, since it is larger than the sum of its proper divisors (1171867174).
1421033330 is a wasteful number, since it uses less digits than its factorization.
1421033330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1946701.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 1421033330 is about 37696.5957348936. The cubic root of 1421033330 is about 1124.2634401694.
Adding to 1421033330 its reverse (333301241), we get a palindrome (1754334571).
The spelling of 1421033330 in words is "one billion, four hundred twenty-one million, thirty-three thousand, three hundred thirty".
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