Base | Representation |
---|---|
bin | 110010011010101110… |
… | …010111010111011001 |
3 | 12011201210101221212011 |
4 | 302122232113113121 |
5 | 1341332134000040 |
6 | 40511450345521 |
7 | 3624345521314 |
oct | 623256272731 |
9 | 164653357764 |
10 | 54135453145 |
11 | 20a60063224 |
12 | a5a9a2b2a1 |
13 | 5149769017 |
14 | 2897a6397b |
15 | 161c9743ea |
hex | c9ab975d9 |
54135453145 has 8 divisors (see below), whose sum is σ = 66027503880. Its totient is φ = 42598389120.
The previous prime is 54135453139. The next prime is 54135453193.
54135453145 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 4 ways, for example, as 3146200281 + 50989252864 = 56091^2 + 225808^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-54135453145 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54135453098 and 54135453107.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88746340 + ... + 88746949.
It is an arithmetic number, because the mean of its divisors is an integer number (8253437985).
Almost surely, 254135453145 is an apocalyptic number.
It is an amenable number.
54135453145 is a deficient number, since it is larger than the sum of its proper divisors (11892050735).
54135453145 is a wasteful number, since it uses less digits than its factorization.
54135453145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177493355.
The product of its digits is 360000, while the sum is 40.
The spelling of 54135453145 in words is "fifty-four billion, one hundred thirty-five million, four hundred fifty-three thousand, one hundred forty-five".
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