Base | Representation |
---|---|
bin | 10011100101111000… |
… | …10100001011000001 |
3 | 1000011001010110120021 |
4 | 21302330110023001 |
5 | 133020144122411 |
6 | 4455420413441 |
7 | 521440326004 |
oct | 116274241301 |
9 | 30131113507 |
10 | 10518348481 |
11 | 4508373993 |
12 | 20566a7281 |
13 | cb81c8054 |
14 | 71ad3353b |
15 | 41864ca71 |
hex | 272f142c1 |
10518348481 has 3 divisors (see below), whose sum is σ = 10518451041. Its totient is φ = 10518245922.
The previous prime is 10518348479. The next prime is 10518348497. The reversal of 10518348481 is 18484381501.
The square root of 10518348481 is 102559.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18484381501 = 31 ⋅596270371.
It is not a de Polignac number, because 10518348481 - 21 = 10518348479 is a prime.
It is a super-2 number, since 2×105183484812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10518388481) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 51280 + ... + 153838.
It is an arithmetic number, because the mean of its divisors is an integer number (3506150347).
Almost surely, 210518348481 is an apocalyptic number.
10518348481 is the 102559-th square number.
10518348481 is the 51280-th centered octagonal number.
It is an amenable number.
10518348481 is a deficient number, since it is larger than the sum of its proper divisors (102560).
10518348481 is an frugal number, since it uses more digits than its factorization.
10518348481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205118 (or 102559 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 43.
It can be divided in two parts, 105183 and 48481, that added together give a square (153664 = 3922).
The spelling of 10518348481 in words is "ten billion, five hundred eighteen million, three hundred forty-eight thousand, four hundred eighty-one".
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