Base | Representation |
---|---|
bin | 101110010110… |
… | …111111110011 |
3 | 211212102112102 |
4 | 232112333303 |
5 | 11102342234 |
6 | 1112251015 |
7 | 205203650 |
oct | 56267763 |
9 | 24772472 |
10 | 12152819 |
11 | 6950658 |
12 | 40a0a6b |
13 | 2696723 |
14 | 1884c27 |
15 | 1100c7e |
hex | b96ff3 |
12152819 has 8 divisors (see below), whose sum is σ = 13923840. Its totient is φ = 10390536.
The previous prime is 12152797. The next prime is 12152849. The reversal of 12152819 is 91825121.
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 12152819 - 28 = 12152563 is a prime.
It is a super-2 number, since 2×121528192 = 295382019293522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12152791 and 12152800.
It is not an unprimeable number, because it can be changed into a prime (12152849) 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 7 ways as a sum of consecutive naturals, for example, 1142 + ... + 5060.
It is an arithmetic number, because the mean of its divisors is an integer number (1740480).
Almost surely, 212152819 is an apocalyptic number.
12152819 is a deficient number, since it is larger than the sum of its proper divisors (1771021).
12152819 is an equidigital number, since it uses as much as digits as its factorization.
12152819 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4369.
The product of its digits is 1440, while the sum is 29.
The square root of 12152819 is about 3486.0893562845. The cubic root of 12152819 is about 229.9106079834.
It can be divided in two parts, 121528 and 19, that multiplied together give a palindrome (2309032).
The spelling of 12152819 in words is "twelve million, one hundred fifty-two thousand, eight hundred nineteen".
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