Base | Representation |
---|---|
bin | 11111111101010… |
… | …101010111101101 |
3 | 1101100220100201201 |
4 | 133331111113231 |
5 | 2044230001023 |
6 | 125112005501 |
7 | 16200246466 |
oct | 3775252755 |
9 | 1340810651 |
10 | 536172013 |
11 | 255722a73 |
12 | 12b690891 |
13 | 8710b460 |
14 | 512cdd6d |
15 | 32110bad |
hex | 1ff555ed |
536172013 has 4 divisors (see below), whose sum is σ = 577416028. Its totient is φ = 494928000.
The previous prime is 536171983. The next prime is 536172017. The reversal of 536172013 is 310271635.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310271635 = 5 ⋅62054327.
It can be written as a sum of positive squares in 2 ways, for example, as 96766569 + 439405444 = 9837^2 + 20962^2 .
It is a cyclic number.
It is not a de Polignac number, because 536172013 - 221 = 534074861 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (536172017) 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, 20621988 + ... + 20622013.
It is an arithmetic number, because the mean of its divisors is an integer number (144354007).
Almost surely, 2536172013 is an apocalyptic number.
It is an amenable number.
536172013 is a deficient number, since it is larger than the sum of its proper divisors (41244015).
536172013 is a wasteful number, since it uses less digits than its factorization.
536172013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41244014.
The product of its (nonzero) digits is 3780, while the sum is 28.
The square root of 536172013 is about 23155.3884225681. The cubic root of 536172013 is about 812.3965062024.
The spelling of 536172013 in words is "five hundred thirty-six million, one hundred seventy-two thousand, thirteen".
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