Base | Representation |
---|---|
bin | 100001101100001001110… |
… | …100110100010011101111 |
3 | 22012022210221100001200211 |
4 | 201230021310310103233 |
5 | 300412412431310411 |
6 | 4531322150403251 |
7 | 326156426055244 |
oct | 41541164642357 |
9 | 8168727301624 |
10 | 2315152213231 |
11 | 81293a083160 |
12 | 314837960527 |
13 | 13a419604410 |
14 | 800a81195cb |
15 | 40350a1b221 |
hex | 21b09d344ef |
2315152213231 has 32 divisors (see below), whose sum is σ = 2859815085120. Its totient is φ = 1845041587200.
The previous prime is 2315152213189. The next prime is 2315152213267. The reversal of 2315152213231 is 1323122515132.
It is a happy number.
2315152213231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 2315152213231 - 27 = 2315152213103 is a prime.
It is a super-2 number, since 2×23151522132312 (a number of 26 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2315152213193 and 2315152213202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2315152211231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4323030 + ... + 4828963.
It is an arithmetic number, because the mean of its divisors is an integer number (89369221410).
Almost surely, 22315152213231 is an apocalyptic number.
2315152213231 is a deficient number, since it is larger than the sum of its proper divisors (544662871889).
2315152213231 is a wasteful number, since it uses less digits than its factorization.
2315152213231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9152107.
The product of its digits is 10800, while the sum is 31.
Adding to 2315152213231 its reverse (1323122515132), we get a palindrome (3638274728363).
The spelling of 2315152213231 in words is "two trillion, three hundred fifteen billion, one hundred fifty-two million, two hundred thirteen thousand, two hundred thirty-one".
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