Base | Representation |
---|---|
bin | 111001111100000101… |
… | …0100100001100100001 |
3 | 102220011020002011001001 |
4 | 1303320022210030201 |
5 | 4014304141303203 |
6 | 133054200112001 |
7 | 11663210452213 |
oct | 1637012441441 |
9 | 386136064031 |
10 | 124422603553 |
11 | 48849352686 |
12 | 20144a65601 |
13 | b96b532851 |
14 | 60448665b3 |
15 | 33833a691d |
hex | 1cf82a4321 |
124422603553 has 4 divisors (see below), whose sum is σ = 127785376660. Its totient is φ = 121059830448.
The previous prime is 124422603523. The next prime is 124422603647. The reversal of 124422603553 is 355306224421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355306224421 = 580487 ⋅612083.
It can be written as a sum of positive squares in 2 ways, for example, as 120681201664 + 3741401889 = 347392^2 + 61167^2 .
It is a cyclic number.
It is not a de Polignac number, because 124422603553 - 25 = 124422603521 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3362773069 = 124422603553 / (1 + 2 + 4 + 4 + 2 + 2 + 6 + 0 + 3 + 5 + 5 + 3).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (124422603523) 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, 1681386498 + ... + 1681386571.
It is an arithmetic number, because the mean of its divisors is an integer number (31946344165).
Almost surely, 2124422603553 is an apocalyptic number.
It is an amenable number.
124422603553 is a deficient number, since it is larger than the sum of its proper divisors (3362773107).
124422603553 is an equidigital number, since it uses as much as digits as its factorization.
124422603553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3362773106.
The product of its (nonzero) digits is 172800, while the sum is 37.
Adding to 124422603553 its reverse (355306224421), we get a palindrome (479728827974).
The spelling of 124422603553 in words is "one hundred twenty-four billion, four hundred twenty-two million, six hundred three thousand, five hundred fifty-three".
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