Base | Representation |
---|---|
bin | 10111100100011010… |
… | …00110100100011011 |
3 | 1012122211201010222022 |
4 | 23302031012210123 |
5 | 201403241040033 |
6 | 5451331245055 |
7 | 625364412143 |
oct | 136215064433 |
9 | 35584633868 |
10 | 12653455643 |
11 | 5403600564 |
12 | 255174978b |
13 | 126865867a |
14 | 88071b923 |
15 | 4e0cec098 |
hex | 2f234691b |
12653455643 has 8 divisors (see below), whose sum is σ = 12757352448. Its totient is φ = 12549625704.
The previous prime is 12653455621. The next prime is 12653455687. The reversal of 12653455643 is 34655435621.
12653455643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 12653455643 - 218 = 12653193499 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12653455594 and 12653455603.
It is not an unprimeable number, because it can be changed into a prime (12653455603) 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, 407030 + ... + 437012.
It is an arithmetic number, because the mean of its divisors is an integer number (1594669056).
Almost surely, 212653455643 is an apocalyptic number.
12653455643 is a deficient number, since it is larger than the sum of its proper divisors (103896805).
12653455643 is a wasteful number, since it uses less digits than its factorization.
12653455643 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33433.
The product of its digits is 1296000, while the sum is 44.
The spelling of 12653455643 in words is "twelve billion, six hundred fifty-three million, four hundred fifty-five thousand, six hundred forty-three".
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