Base | Representation |
---|---|
bin | 110001110101100100… |
… | …010010101011111001 |
3 | 12010010100101002010011 |
4 | 301311210102223321 |
5 | 1334043041234140 |
6 | 40325541021521 |
7 | 3603035652514 |
oct | 616544225371 |
9 | 163110332104 |
10 | 53512055545 |
11 | 207701843a3 |
12 | a4550b48a1 |
13 | 507a56a6c0 |
14 | 2838d49d7b |
15 | 15d2d83cea |
hex | c75912af9 |
53512055545 has 8 divisors (see below), whose sum is σ = 69154041096. Its totient is φ = 39516594816.
The previous prime is 53512055521. The next prime is 53512055557. The reversal of 53512055545 is 54555021535.
It can be written as a sum of positive squares in 4 ways, for example, as 142277184 + 53369778361 = 11928^2 + 231019^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 53512055545 - 221 = 53509958393 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53512055498 and 53512055507.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 411631132 + ... + 411631261.
It is an arithmetic number, because the mean of its divisors is an integer number (8644255137).
Almost surely, 253512055545 is an apocalyptic number.
It is an amenable number.
53512055545 is a deficient number, since it is larger than the sum of its proper divisors (15641985551).
53512055545 is a wasteful number, since it uses less digits than its factorization.
53512055545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 823262411.
The product of its (nonzero) digits is 375000, while the sum is 40.
The spelling of 53512055545 in words is "fifty-three billion, five hundred twelve million, fifty-five thousand, five hundred forty-five".
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