Base | Representation |
---|---|
bin | 110001011110011110… |
… | …000111010101011101 |
3 | 12002010100020021110111 |
4 | 301132132013111131 |
5 | 1332244341411341 |
6 | 40223255410021 |
7 | 3560322211525 |
oct | 613636072535 |
9 | 162110207414 |
10 | 53124560221 |
11 | 2059147a427 |
12 | a367383911 |
13 | 50181b6a25 |
14 | 27dd6bc685 |
15 | 15add40681 |
hex | c5e78755d |
53124560221 has 8 divisors (see below), whose sum is σ = 56175775488. Its totient is φ = 50156940000.
The previous prime is 53124560171. The next prime is 53124560233. The reversal of 53124560221 is 12206542135.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 53124560221 - 211 = 53124558173 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53124561221) 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, 20897455 + ... + 20899996.
It is an arithmetic number, because the mean of its divisors is an integer number (7021971936).
Almost surely, 253124560221 is an apocalyptic number.
It is an amenable number.
53124560221 is a deficient number, since it is larger than the sum of its proper divisors (3051215267).
53124560221 is a wasteful number, since it uses less digits than its factorization.
53124560221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41797523.
The product of its (nonzero) digits is 14400, while the sum is 31.
The spelling of 53124560221 in words is "fifty-three billion, one hundred twenty-four million, five hundred sixty thousand, two hundred twenty-one".
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