Base | Representation |
---|---|
bin | 111100011000101101101000… |
… | …1101011000000011001101101 |
3 | 2120122200121021122010010122002 |
4 | 1320301123101223000121231 |
5 | 1024110030012020131201 |
6 | 5121404302154302045 |
7 | 216611124401004044 |
oct | 17061332153003155 |
9 | 2518617248103562 |
10 | 531162123208301 |
11 | 144276656201782 |
12 | 4b6a6940427925 |
13 | 19a4c4b1190a50 |
14 | 952455373155b |
15 | 4161b2bec976b |
hex | 1e316d1ac066d |
531162123208301 has 8 divisors (see below), whose sum is σ = 572021333836344. Its totient is φ = 490302996261120.
The previous prime is 531162123208279. The next prime is 531162123208313. The reversal of 531162123208301 is 103802321261135.
It can be written as a sum of positive squares in 4 ways, for example, as 1891378575076 + 529270744633225 = 1375274^2 + 23005885^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 531162123208301 - 26 = 531162123208237 is a prime.
It is a super-2 number, since 2×5311621232083012 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (531192123208301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7414040 + ... + 33425921.
It is an arithmetic number, because the mean of its divisors is an integer number (71502666729543).
Almost surely, 2531162123208301 is an apocalyptic number.
It is an amenable number.
531162123208301 is a deficient number, since it is larger than the sum of its proper divisors (40859210628043).
531162123208301 is a wasteful number, since it uses less digits than its factorization.
531162123208301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41840431.
The product of its (nonzero) digits is 51840, while the sum is 38.
Adding to 531162123208301 its reverse (103802321261135), we get a palindrome (634964444469436).
The spelling of 531162123208301 in words is "five hundred thirty-one trillion, one hundred sixty-two billion, one hundred twenty-three million, two hundred eight thousand, three hundred one".
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