Base | Representation |
---|---|
bin | 10110111010101010… |
… | …00111001001110101 |
3 | 1011202102201000201111 |
4 | 23131111013021311 |
5 | 200144111434103 |
6 | 5352500555021 |
7 | 613612521604 |
oct | 133525071165 |
9 | 34672630644 |
10 | 12303233653 |
11 | 52439445a7 |
12 | 24743b2a71 |
13 | 1210c25419 |
14 | 849dd3a3b |
15 | 4c01bc86d |
hex | 2dd547275 |
12303233653 has 4 divisors (see below), whose sum is σ = 12316226400. Its totient is φ = 12290240908.
The previous prime is 12303233641. The next prime is 12303233681. The reversal of 12303233653 is 35633230321.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35633230321 = 13 ⋅2741017717.
It is a cyclic number.
It is not a de Polignac number, because 12303233653 - 29 = 12303233141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12303233603) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6494953 + ... + 6496846.
It is an arithmetic number, because the mean of its divisors is an integer number (3079056600).
Almost surely, 212303233653 is an apocalyptic number.
It is an amenable number.
12303233653 is a deficient number, since it is larger than the sum of its proper divisors (12992747).
12303233653 is an equidigital number, since it uses as much as digits as its factorization.
12303233653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12992746.
The product of its (nonzero) digits is 29160, while the sum is 31.
Adding to 12303233653 its reverse (35633230321), we get a palindrome (47936463974).
The spelling of 12303233653 in words is "twelve billion, three hundred three million, two hundred thirty-three thousand, six hundred fifty-three".
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