Base | Representation |
---|---|
bin | 10110110000111100… |
… | …10010100111001001 |
3 | 1011112202101102101012 |
4 | 23120132102213021 |
5 | 200012232110201 |
6 | 5340430333305 |
7 | 611603123165 |
oct | 133036224711 |
9 | 34482342335 |
10 | 12221753801 |
11 | 5201952584 |
12 | 245105a235 |
13 | 11ca0975aa |
14 | 83d263ca5 |
15 | 4b7e755bb |
hex | 2d87929c9 |
12221753801 has 8 divisors (see below), whose sum is σ = 12287236680. Its totient is φ = 12156419968.
The previous prime is 12221753783. The next prime is 12221753809. The reversal of 12221753801 is 10835712221.
12221753801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 324180025 + 11897573776 = 18005^2 + 109076^2 .
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 12221753801 - 214 = 12221737417 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12221753809) 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, 129155 + ... + 202791.
It is an arithmetic number, because the mean of its divisors is an integer number (1535904585).
Almost surely, 212221753801 is an apocalyptic number.
It is an amenable number.
12221753801 is a deficient number, since it is larger than the sum of its proper divisors (65482879).
12221753801 is an equidigital number, since it uses as much as digits as its factorization.
12221753801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74523.
The product of its (nonzero) digits is 6720, while the sum is 32.
The spelling of 12221753801 in words is "twelve billion, two hundred twenty-one million, seven hundred fifty-three thousand, eight hundred one".
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