Base | Representation |
---|---|
bin | 111100110110111… |
… | …011101111011001 |
3 | 2122011020212120002 |
4 | 330312323233121 |
5 | 4042341032213 |
6 | 245152142345 |
7 | 34205432600 |
oct | 7466735731 |
9 | 2564225502 |
10 | 1021033433 |
11 | 48438a592 |
12 | 245b379b5 |
13 | 1336c2ac4 |
14 | 99864a37 |
15 | 5e988658 |
hex | 3cdbbbd9 |
1021033433 has 12 divisors (see below), whose sum is σ = 1207207332. Its totient is φ = 860821920.
The previous prime is 1021033333. The next prime is 1021033439. The reversal of 1021033433 is 3343301201.
It can be written as a sum of positive squares in 2 ways, for example, as 216913984 + 804119449 = 14728^2 + 28357^2 .
It is not a de Polignac number, because 1021033433 - 212 = 1021029337 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1021033439) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167810 + ... + 173787.
It is an arithmetic number, because the mean of its divisors is an integer number (100600611).
Almost surely, 21021033433 is an apocalyptic number.
It is an amenable number.
1021033433 is a deficient number, since it is larger than the sum of its proper divisors (186173899).
1021033433 is an equidigital number, since it uses as much as digits as its factorization.
1021033433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 341672 (or 341665 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 1021033433 is about 31953.6137705894. The cubic root of 1021033433 is about 1006.9625546577.
Adding to 1021033433 its reverse (3343301201), we get a palindrome (4364334634).
The spelling of 1021033433 in words is "one billion, twenty-one million, thirty-three thousand, four hundred thirty-three".
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