Base | Representation |
---|---|
bin | 100100110011111… |
… | …1101111111101111 |
3 | 10012002021101111111 |
4 | 1021213331333233 |
5 | 10012203324234 |
6 | 322322532451 |
7 | 42416101633 |
oct | 11147757757 |
9 | 3162241444 |
10 | 1235214319 |
11 | 584278889 |
12 | 2a5807127 |
13 | 168ba3961 |
14 | ba098dc3 |
15 | 73694664 |
hex | 499fdfef |
1235214319 has 4 divisors (see below), whose sum is σ = 1244940544. Its totient is φ = 1225488096.
The previous prime is 1235214289. The next prime is 1235214329. The reversal of 1235214319 is 9134125321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9134125321 = 4933 ⋅1851637.
It is a cyclic number.
It is not a de Polignac number, because 1235214319 - 211 = 1235212271 is a prime.
It is a super-2 number, since 2×12352143192 = 3051508827725267522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1235214329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4862922 + ... + 4863175.
It is an arithmetic number, because the mean of its divisors is an integer number (311235136).
Almost surely, 21235214319 is an apocalyptic number.
1235214319 is a deficient number, since it is larger than the sum of its proper divisors (9726225).
1235214319 is an equidigital number, since it uses as much as digits as its factorization.
1235214319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9726224.
The product of its digits is 6480, while the sum is 31.
The square root of 1235214319 is about 35145.6159285906. The cubic root of 1235214319 is about 1072.9531830735.
The spelling of 1235214319 in words is "one billion, two hundred thirty-five million, two hundred fourteen thousand, three hundred nineteen".
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