Base | Representation |
---|---|
bin | 1101000110101011100… |
… | …1001100001110000111 |
3 | 210112002210222010120122 |
4 | 3101222321030032013 |
5 | 12142032202122201 |
6 | 251231333052155 |
7 | 22156654451015 |
oct | 3215271141607 |
9 | 715083863518 |
10 | 225131676551 |
11 | 87528a64821 |
12 | 3777018705b |
13 | 182cac0a2c2 |
14 | ac79b438b5 |
15 | 5cc99a6e1b |
hex | 346ae4c387 |
225131676551 has 4 divisors (see below), whose sum is σ = 225136485600. Its totient is φ = 225126867504.
The previous prime is 225131676547. The next prime is 225131676563. The reversal of 225131676551 is 155676131522.
225131676551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155676131522 = 2 ⋅77838065761.
It is a cyclic number.
It is not a de Polignac number, because 225131676551 - 22 = 225131676547 is a prime.
It is a super-3 number, since 3×2251316765513 (a number of 35 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225131676151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333606 + ... + 2428163.
It is an arithmetic number, because the mean of its divisors is an integer number (56284121400).
Almost surely, 2225131676551 is an apocalyptic number.
225131676551 is a deficient number, since it is larger than the sum of its proper divisors (4809049).
225131676551 is an equidigital number, since it uses as much as digits as its factorization.
225131676551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4809048.
The product of its digits is 378000, while the sum is 44.
The spelling of 225131676551 in words is "two hundred twenty-five billion, one hundred thirty-one million, six hundred seventy-six thousand, five hundred fifty-one".
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