Base | Representation |
---|---|
bin | 100111101011000… |
… | …1111010101010001 |
3 | 10102202221111022001 |
4 | 1033112033111101 |
5 | 10211243330113 |
6 | 340032514001 |
7 | 44663161060 |
oct | 11726172521 |
9 | 3382844261 |
10 | 1331230033 |
11 | 623498911 |
12 | 3119ab901 |
13 | 182a50aa3 |
14 | c8b301d7 |
15 | 7bd0d7dd |
hex | 4f58f551 |
1331230033 has 16 divisors (see below), whose sum is σ = 1615814784. Its totient is φ = 1070657280.
The previous prime is 1331230031. The next prime is 1331230051. The reversal of 1331230033 is 3300321331.
It is not a de Polignac number, because 1331230033 - 21 = 1331230031 is a prime.
It is a super-2 number, since 2×13312300332 = 3544346801522362178, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1331230031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22491 + ... + 56287.
It is an arithmetic number, because the mean of its divisors is an integer number (100988424).
Almost surely, 21331230033 is an apocalyptic number.
It is an amenable number.
1331230033 is a deficient number, since it is larger than the sum of its proper divisors (284584751).
1331230033 is a wasteful number, since it uses less digits than its factorization.
1331230033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34152.
The product of its (nonzero) digits is 486, while the sum is 19.
The square root of 1331230033 is about 36486.0251740307. The cubic root of 1331230033 is about 1100.0633663221.
Adding to 1331230033 its reverse (3300321331), we get a palindrome (4631551364).
The spelling of 1331230033 in words is "one billion, three hundred thirty-one million, two hundred thirty thousand, thirty-three".
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