Base | Representation |
---|---|
bin | 10101010100100010100… |
… | …110101101100001101111 |
3 | 12012001211211100101022111 |
4 | 111110202212231201233 |
5 | 143001124042434411 |
6 | 3041030502224451 |
7 | 210566066044300 |
oct | 25244246554157 |
9 | 5161754311274 |
10 | 1465164421231 |
11 | 515411134475 |
12 | 1b7b60725127 |
13 | a821a2a08c4 |
14 | 50cb2d207a7 |
15 | 281a3e96721 |
hex | 155229ad86f |
1465164421231 has 12 divisors (see below), whose sum is σ = 1745945061840. Its totient is φ = 1225224601440.
The previous prime is 1465164421199. The next prime is 1465164421247. The reversal of 1465164421231 is 1321244615641.
It is not a de Polignac number, because 1465164421231 - 25 = 1465164421199 is a prime.
It is a super-2 number, since 2×14651644212312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1465164421631) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364648171 + ... + 364652188.
It is an arithmetic number, because the mean of its divisors is an integer number (145495421820).
Almost surely, 21465164421231 is an apocalyptic number.
1465164421231 is a deficient number, since it is larger than the sum of its proper divisors (280780640609).
1465164421231 is an equidigital number, since it uses as much as digits as its factorization.
1465164421231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 729300414 (or 729300407 counting only the distinct ones).
The product of its digits is 138240, while the sum is 40.
The spelling of 1465164421231 in words is "one trillion, four hundred sixty-five billion, one hundred sixty-four million, four hundred twenty-one thousand, two hundred thirty-one".
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