Base | Representation |
---|---|
bin | 1110010100100001… |
… | …01010101110100011 |
3 | 201211210221211212010 |
4 | 13022100222232203 |
5 | 111221203143433 |
6 | 3310523404003 |
7 | 361344522432 |
oct | 71220525643 |
9 | 21753854763 |
10 | 7688334243 |
11 | 3295956347 |
12 | 15a6983603 |
13 | 956abc505 |
14 | 52d139119 |
15 | 2eee84e63 |
hex | 1ca42aba3 |
7688334243 has 4 divisors (see below), whose sum is σ = 10251112328. Its totient is φ = 5125556160.
The previous prime is 7688334197. The next prime is 7688334263. The reversal of 7688334243 is 3424338867.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 7688334243 - 28 = 7688333987 is a prime.
It is a super-2 number, since 2×76883342432 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7688334192 and 7688334201.
It is not an unprimeable number, because it can be changed into a prime (7688334263) 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, 1281389038 + ... + 1281389043.
It is an arithmetic number, because the mean of its divisors is an integer number (2562778082).
Almost surely, 27688334243 is an apocalyptic number.
7688334243 is a deficient number, since it is larger than the sum of its proper divisors (2562778085).
7688334243 is a wasteful number, since it uses less digits than its factorization.
7688334243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2562778084.
The product of its digits is 2322432, while the sum is 48.
The square root of 7688334243 is about 87683.1468584471. The cubic root of 7688334243 is about 1973.6830823883.
The spelling of 7688334243 in words is "seven billion, six hundred eighty-eight million, three hundred thirty-four thousand, two hundred forty-three".
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