Base | Representation |
---|---|
bin | 1000111111000110001… |
… | …00010010101010010101 |
3 | 1002111221110210102200002 |
4 | 10133203010102222111 |
5 | 20024311032343221 |
6 | 353501103501045 |
7 | 31210111443101 |
oct | 4374304225225 |
9 | 1074843712602 |
10 | 308752231061 |
11 | 109a3964900a |
12 | 4ba085b7785 |
13 | 2316616ab61 |
14 | 10d2d69c901 |
15 | 8070c4780b |
hex | 47e3112a95 |
308752231061 has 8 divisors (see below), whose sum is σ = 317424600024. Its totient is φ = 300134234880.
The previous prime is 308752231033. The next prime is 308752231069. The reversal of 308752231061 is 160132257803.
It can be written as a sum of positive squares in 4 ways, for example, as 39043388836 + 269708842225 = 197594^2 + 519335^2 .
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 308752231061 - 210 = 308752230037 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (308752231069) 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, 13581680 + ... + 13604393.
It is an arithmetic number, because the mean of its divisors is an integer number (39678075003).
Almost surely, 2308752231061 is an apocalyptic number.
It is an amenable number.
308752231061 is a deficient number, since it is larger than the sum of its proper divisors (8672368963).
308752231061 is a wasteful number, since it uses less digits than its factorization.
308752231061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27186391.
The product of its (nonzero) digits is 60480, while the sum is 38.
Adding to 308752231061 its reverse (160132257803), we get a palindrome (468884488864).
The spelling of 308752231061 in words is "three hundred eight billion, seven hundred fifty-two million, two hundred thirty-one thousand, sixty-one".
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