Base | Representation |
---|---|
bin | 110001110101100100… |
… | …010010101011010011 |
3 | 12010010100101002001202 |
4 | 301311210102223103 |
5 | 1334043041234012 |
6 | 40325541021415 |
7 | 3603035652431 |
oct | 616544225323 |
9 | 163110332052 |
10 | 53512055507 |
11 | 20770184369 |
12 | a4550b486b |
13 | 507a56a691 |
14 | 2838d49d51 |
15 | 15d2d83cc2 |
hex | c75912ad3 |
53512055507 has 8 divisors (see below), whose sum is σ = 59123294496. Its totient is φ = 48174535552.
The previous prime is 53512055491. The next prime is 53512055521. The reversal of 53512055507 is 70555021535.
It is a happy number.
53512055507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 53512055507 - 24 = 53512055491 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53512055557) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68429348 + ... + 68430129.
It is an arithmetic number, because the mean of its divisors is an integer number (7390411812).
Almost surely, 253512055507 is an apocalyptic number.
53512055507 is a deficient number, since it is larger than the sum of its proper divisors (5611238989).
53512055507 is a wasteful number, since it uses less digits than its factorization.
53512055507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136859517.
The product of its (nonzero) digits is 131250, while the sum is 38.
The spelling of 53512055507 in words is "fifty-three billion, five hundred twelve million, fifty-five thousand, five hundred seven".
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