Base | Representation |
---|---|
bin | 110001100101110011… |
… | …010111001011111001 |
3 | 12002102220200212002110 |
4 | 301211303113023321 |
5 | 1333022334230211 |
6 | 40243412122533 |
7 | 3563344611564 |
oct | 614563271371 |
9 | 162386625073 |
10 | 53247570681 |
11 | 20644957a68 |
12 | a3a0606449 |
13 | 5037825c96 |
14 | 2811b7d4db |
15 | 15b9a3cea6 |
hex | c65cd72f9 |
53247570681 has 8 divisors (see below), whose sum is σ = 70998015424. Its totient is φ = 35497753200.
The previous prime is 53247570667. The next prime is 53247570703. The reversal of 53247570681 is 18607574235.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 53247570681 - 210 = 53247569657 is a prime.
It is a super-2 number, since 2×532475706812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 53247570681.
It is not an unprimeable number, because it can be changed into a prime (53247570631) 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, 102540 + ... + 342066.
It is an arithmetic number, because the mean of its divisors is an integer number (8874751928).
Almost surely, 253247570681 is an apocalyptic number.
It is an amenable number.
53247570681 is a deficient number, since it is larger than the sum of its proper divisors (17750444743).
53247570681 is a wasteful number, since it uses less digits than its factorization.
53247570681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 313631.
The product of its (nonzero) digits is 1411200, while the sum is 48.
The spelling of 53247570681 in words is "fifty-three billion, two hundred forty-seven million, five hundred seventy thousand, six hundred eighty-one".
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