Base | Representation |
---|---|
bin | 100111010011110… |
… | …0100110010000100 |
3 | 10101220220222220100 |
4 | 1032213210302010 |
5 | 10200130401444 |
6 | 334514404100 |
7 | 44454201444 |
oct | 11647446204 |
9 | 3356828810 |
10 | 1318997124 |
11 | 6175a3075 |
12 | 309890630 |
13 | 180359a93 |
14 | c7268124 |
15 | 7abe3e69 |
hex | 4e9e4c84 |
1318997124 has 27 divisors (see below), whose sum is σ = 3334682533. Its totient is φ = 439593072.
The previous prime is 1318997089. The next prime is 1318997161. The reversal of 1318997124 is 4217998131.
The square root of 1318997124 is 36318.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 96236100 + 1222761024 = 9810^2 + 34968^2 .
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1318997124.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 214882 + ... + 220934.
Almost surely, 21318997124 is an apocalyptic number.
1318997124 is the 36318-th square number.
It is an amenable number.
1318997124 is an abundant number, since it is smaller than the sum of its proper divisors (2015685409).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1318997124 is an frugal number, since it uses more digits than its factorization.
1318997124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12116 (or 6058 counting only the distinct ones).
The product of its digits is 108864, while the sum is 45.
The cubic root of 1318997124 is about 1096.6834329878.
The spelling of 1318997124 in words is "one billion, three hundred eighteen million, nine hundred ninety-seven thousand, one hundred twenty-four".
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