Base | Representation |
---|---|
bin | 101001100110011… |
… | …0111011011010011 |
3 | 10121021121010200121 |
4 | 1103030313123103 |
5 | 10324321203213 |
6 | 350302331111 |
7 | 46406540620 |
oct | 12314673323 |
9 | 3537533617 |
10 | 1395881683 |
11 | 656a36629 |
12 | 32b589a97 |
13 | 1932690c1 |
14 | d355d347 |
15 | 8282e88d |
hex | 533376d3 |
1395881683 has 16 divisors (see below), whose sum is σ = 1687248640. Its totient is φ = 1128103200.
The previous prime is 1395881681. The next prime is 1395881687. The reversal of 1395881683 is 3861885931.
It is not a de Polignac number, because 1395881683 - 21 = 1395881681 is a prime.
It is the 37362-nd Hogben number.
It is a self number, because there is not a number n which added to its sum of digits gives 1395881683.
It is not an unprimeable number, because it can be changed into a prime (1395881681) by changing a digit.
It is a nontrivial repunit in base 37361.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3193 + ... + 52933.
It is an arithmetic number, because the mean of its divisors is an integer number (105453040).
Almost surely, 21395881683 is an apocalyptic number.
1395881683 is a deficient number, since it is larger than the sum of its proper divisors (291366957).
1395881683 is a wasteful number, since it uses less digits than its factorization.
1395881683 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49978.
The product of its digits is 1244160, while the sum is 52.
The square root of 1395881683 is about 37361.5000100371. The cubic root of 1395881683 is about 1117.5909324147.
The spelling of 1395881683 in words is "one billion, three hundred ninety-five million, eight hundred eighty-one thousand, six hundred eighty-three".
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