Base | Representation |
---|---|
bin | 111011001100011100101011… |
… | …1001010101011001111011111 |
3 | 2112021120112222200021210121120 |
4 | 1312120321113022223033133 |
5 | 1021221311323003213211 |
6 | 5043221125524302023 |
7 | 214446625256216256 |
oct | 16630712712531737 |
9 | 2467515880253546 |
10 | 520680347710431 |
11 | 1409a53281a0477 |
12 | 4a49340ab41913 |
13 | 1946bc3b7a0a3c |
14 | 92810c596979d |
15 | 402e1563a5d06 |
hex | 1d98e572ab3df |
520680347710431 has 16 divisors (see below), whose sum is σ = 695699274939648. Its totient is φ = 346390917364800.
The previous prime is 520680347710387. The next prime is 520680347710487. The reversal of 520680347710431 is 134017743086025.
It is not a de Polignac number, because 520680347710431 - 29 = 520680347709919 is a prime.
It is a super-2 number, since 2×5206803477104312 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (520680347710231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11453115 + ... + 34242291.
It is an arithmetic number, because the mean of its divisors is an integer number (43481204683728).
Almost surely, 2520680347710431 is an apocalyptic number.
520680347710431 is a deficient number, since it is larger than the sum of its proper divisors (175018927229217).
520680347710431 is a wasteful number, since it uses less digits than its factorization.
520680347710431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22805182.
The product of its (nonzero) digits is 3386880, while the sum is 51.
The spelling of 520680347710431 in words is "five hundred twenty trillion, six hundred eighty billion, three hundred forty-seven million, seven hundred ten thousand, four hundred thirty-one".
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