Base | Representation |
---|---|
bin | 111101100101000… |
… | …010110110111101 |
3 | 2122222222222212122 |
4 | 331211002312331 |
5 | 4103434334323 |
6 | 250303212325 |
7 | 34413246125 |
oct | 7545026675 |
9 | 2588888778 |
10 | 1033121213 |
11 | 490196293 |
12 | 249ba70a5 |
13 | 136065a37 |
14 | 9b2cdc85 |
15 | 60a74ec8 |
hex | 3d942dbd |
1033121213 has 8 divisors (see below), whose sum is σ = 1048956480. Its totient is φ = 1017321760.
The previous prime is 1033121207. The next prime is 1033121231. The reversal of 1033121213 is 3121213301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1033121213 - 24 = 1033121197 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1033121191 and 1033121200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1033121513) 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, 52358 + ... + 69336.
It is an arithmetic number, because the mean of its divisors is an integer number (131119560).
Almost surely, 21033121213 is an apocalyptic number.
It is an amenable number.
1033121213 is a deficient number, since it is larger than the sum of its proper divisors (15835267).
1033121213 is an equidigital number, since it uses as much as digits as its factorization.
1033121213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17907.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 1033121213 is about 32142.2029892165. The cubic root of 1033121213 is about 1010.9207083217.
Adding to 1033121213 its reverse (3121213301), we get a palindrome (4154334514).
The spelling of 1033121213 in words is "one billion, thirty-three million, one hundred twenty-one thousand, two hundred thirteen".
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