Base | Representation |
---|---|
bin | 10011000010010001001… |
… | …100000110010101000101 |
3 | 11122001110011002011020001 |
4 | 103002101030012111011 |
5 | 132413000104112312 |
6 | 2440534025441301 |
7 | 163336040624515 |
oct | 23022114062505 |
9 | 4561404064201 |
10 | 1308105925957 |
11 | 464845769356 |
12 | 19162a040231 |
13 | 9647a57742c |
14 | 47453d47845 |
15 | 24060896057 |
hex | 13091306545 |
1308105925957 has 8 divisors (see below), whose sum is σ = 1308847250880. Its totient is φ = 1307364776160.
The previous prime is 1308105925933. The next prime is 1308105925967. The reversal of 1308105925957 is 7595295018031.
It is a happy number.
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 1308105925957 - 211 = 1308105923909 is a prime.
It is a super-2 number, since 2×13081059259572 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1308105925898 and 1308105925907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1308105925927) 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, 16664832 + ... + 16743142.
It is an arithmetic number, because the mean of its divisors is an integer number (163605906360).
Almost surely, 21308105925957 is an apocalyptic number.
It is an amenable number.
1308105925957 is a deficient number, since it is larger than the sum of its proper divisors (741324923).
1308105925957 is an equidigital number, since it uses as much as digits as its factorization.
1308105925957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87563.
The product of its (nonzero) digits is 3402000, while the sum is 55.
The spelling of 1308105925957 in words is "one trillion, three hundred eight billion, one hundred five million, nine hundred twenty-five thousand, nine hundred fifty-seven".
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