Base | Representation |
---|---|
bin | 110011011011100101… |
… | …101110011011010101 |
3 | 12021112122010222222102 |
4 | 303123211232123111 |
5 | 1401044232113344 |
6 | 41211443411445 |
7 | 3663331524146 |
oct | 633345563325 |
9 | 167478128872 |
10 | 55223707349 |
11 | 21469385768 |
12 | a852383b85 |
13 | 5291066615 |
14 | 295c3c5acd |
15 | 1683289e4e |
hex | cdb96e6d5 |
55223707349 has 4 divisors (see below), whose sum is σ = 55253288064. Its totient is φ = 55194126636.
The previous prime is 55223707327. The next prime is 55223707351. The reversal of 55223707349 is 94370732255.
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.
It is a cyclic number.
It is not a de Polignac number, because 55223707349 - 212 = 55223703253 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 (55223707849) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14787557 + ... + 14791290.
It is an arithmetic number, because the mean of its divisors is an integer number (13813322016).
Almost surely, 255223707349 is an apocalyptic number.
It is an amenable number.
55223707349 is a deficient number, since it is larger than the sum of its proper divisors (29580715).
55223707349 is a wasteful number, since it uses less digits than its factorization.
55223707349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29580714.
The product of its (nonzero) digits is 1587600, while the sum is 47.
The spelling of 55223707349 in words is "fifty-five billion, two hundred twenty-three million, seven hundred seven thousand, three hundred forty-nine".
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