Base | Representation |
---|---|
bin | 1010000000100001… |
… | …0011000111101111 |
3 | 20221020011212101021 |
4 | 2200020103013233 |
5 | 21000222430111 |
6 | 1122325355011 |
7 | 123401062033 |
oct | 24010230757 |
9 | 6836155337 |
10 | 2686530031 |
11 | 1159526859 |
12 | 62b868a67 |
13 | 33a77b653 |
14 | 1b6b281c3 |
15 | 10acc3d71 |
hex | a02131ef |
2686530031 has 2 divisors, whose sum is σ = 2686530032. Its totient is φ = 2686530030.
The previous prime is 2686530001. The next prime is 2686530071. The reversal of 2686530031 is 1300356862.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2686530031 - 27 = 2686529903 is a prime.
It is a super-2 number, since 2×26865300312 = 14434887214929721922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2686530001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343265015 + 1343265016.
It is an arithmetic number, because the mean of its divisors is an integer number (1343265016).
Almost surely, 22686530031 is an apocalyptic number.
2686530031 is a deficient number, since it is larger than the sum of its proper divisors (1).
2686530031 is an equidigital number, since it uses as much as digits as its factorization.
2686530031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25920, while the sum is 34.
The square root of 2686530031 is about 51831.7473272897. The cubic root of 2686530031 is about 1390.1571568077.
Adding to 2686530031 its reverse (1300356862), we get a palindrome (3986886893).
The spelling of 2686530031 in words is "two billion, six hundred eighty-six million, five hundred thirty thousand, thirty-one".
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