Base | Representation |
---|---|
bin | 100110101111101… |
… | …1100000101100100 |
3 | 10100121100021021120 |
4 | 1031133130011210 |
5 | 10130310242030 |
6 | 333001213540 |
7 | 44134362342 |
oct | 11537340544 |
9 | 3317307246 |
10 | 1300087140 |
11 | 607957790 |
12 | 3034912b0 |
13 | 179468841 |
14 | c4944992 |
15 | 7920b010 |
hex | 4d7dc164 |
1300087140 has 48 divisors (see below), whose sum is σ = 3971177280. Its totient is φ = 315172480.
The previous prime is 1300087127. The next prime is 1300087181. The reversal of 1300087140 is 417800031.
It is a self number, because there is not a number n which added to its sum of digits gives 1300087140.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984255 + ... + 985574.
It is an arithmetic number, because the mean of its divisors is an integer number (82732860).
Almost surely, 21300087140 is an apocalyptic number.
1300087140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1300087140 is an abundant number, since it is smaller than the sum of its proper divisors (2671090140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1300087140 is a wasteful number, since it uses less digits than its factorization.
1300087140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1969852 (or 1969850 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 1300087140 is about 36056.7211487678. The cubic root of 1300087140 is about 1091.4172681511.
Adding to 1300087140 its reverse (417800031), we get a palindrome (1717887171).
The spelling of 1300087140 in words is "one billion, three hundred million, eighty-seven thousand, one hundred forty".
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