Base | Representation |
---|---|
bin | 110001011010101100… |
… | …011101100111001111 |
3 | 12001221221000212220011 |
4 | 301122230131213033 |
5 | 1332132132300443 |
6 | 40213113534051 |
7 | 3555622602616 |
oct | 613254354717 |
9 | 161857025804 |
10 | 53061212623 |
11 | 20559742441 |
12 | a34a114327 |
13 | 5008037143 |
14 | 27d510c87d |
15 | 15a84cab9d |
hex | c5ab1d9cf |
53061212623 has 4 divisors (see below), whose sum is σ = 54890909640. Its totient is φ = 51231515608.
The previous prime is 53061212621. The next prime is 53061212663. The reversal of 53061212623 is 32621216035.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32621216035 = 5 ⋅6524243207.
It is a cyclic number.
It is not a de Polignac number, because 53061212623 - 21 = 53061212621 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 (53061212621) 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, 914848465 + ... + 914848522.
It is an arithmetic number, because the mean of its divisors is an integer number (13722727410).
Almost surely, 253061212623 is an apocalyptic number.
53061212623 is a deficient number, since it is larger than the sum of its proper divisors (1829697017).
53061212623 is a wasteful number, since it uses less digits than its factorization.
53061212623 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1829697016.
The product of its (nonzero) digits is 12960, while the sum is 31.
Adding to 53061212623 its reverse (32621216035), we get a palindrome (85682428658).
The spelling of 53061212623 in words is "fifty-three billion, sixty-one million, two hundred twelve thousand, six hundred twenty-three".
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