Base | Representation |
---|---|
bin | 10011000111101000101… |
… | …100111110101011010010 |
3 | 11122121022210120021112022 |
4 | 103013220230332223102 |
5 | 133011300444133300 |
6 | 2443325543131442 |
7 | 163631621225132 |
oct | 23075054765322 |
9 | 4577283507468 |
10 | 1313869130450 |
11 | 467232965178 |
12 | 192778143b82 |
13 | 96b88574ac6 |
14 | 4783d516ac2 |
15 | 2429b807285 |
hex | 131e8b3ead2 |
1313869130450 has 54 divisors (see below), whose sum is σ = 2497622703951. Its totient is φ = 514216652480.
The previous prime is 1313869130401. The next prime is 1313869130459. The reversal of 1313869130450 is 540319683131.
It can be written as a sum of positive squares in 5 ways, for example, as 6361498081 + 1307507632369 = 79759^2 + 1143463^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=810515.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1313869130459) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 380940326 + ... + 380943774.
Almost surely, 21313869130450 is an apocalyptic number.
1313869130450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1313869130450 is a deficient number, since it is larger than the sum of its proper divisors (1183753573501).
1313869130450 is an frugal number, since it uses more digits than its factorization.
1313869130450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7004 (or 3503 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 44.
The spelling of 1313869130450 in words is "one trillion, three hundred thirteen billion, eight hundred sixty-nine million, one hundred thirty thousand, four hundred fifty".
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