Base | Representation |
---|---|
bin | 10101001111011111… |
… | …01010001011110101 |
3 | 1002102210001120020211 |
4 | 22213233222023311 |
5 | 141323440120341 |
6 | 5123344025421 |
7 | 552415204126 |
oct | 124757521365 |
9 | 32383046224 |
10 | 11404223221 |
11 | 4922428776 |
12 | 2263302271 |
13 | 10c98b72a1 |
14 | 7a285404d |
15 | 46b2d9181 |
hex | 2a7bea2f5 |
11404223221 has 8 divisors (see below), whose sum is σ = 11608509600. Its totient is φ = 11200303440.
The previous prime is 11404223153. The next prime is 11404223251. The reversal of 11404223221 is 12232240411.
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 11404223221 - 225 = 11370668789 is a prime.
It is a super-2 number, since 2×114042232212 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 11404223192 and 11404223201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11404223251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28491 + ... + 153688.
It is an arithmetic number, because the mean of its divisors is an integer number (1451063700).
Almost surely, 211404223221 is an apocalyptic number.
It is an amenable number.
11404223221 is a deficient number, since it is larger than the sum of its proper divisors (204286379).
11404223221 is a wasteful number, since it uses less digits than its factorization.
11404223221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183299.
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 11404223221 its reverse (12232240411), we get a palindrome (23636463632).
The spelling of 11404223221 in words is "eleven billion, four hundred four million, two hundred twenty-three thousand, two hundred twenty-one".
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