Base | Representation |
---|---|
bin | 100000001110110… |
… | …1101000010000101 |
3 | 2210101002100010101 |
4 | 1000131231002011 |
5 | 4203332402303 |
6 | 255152524101 |
7 | 35541561115 |
oct | 10035550205 |
9 | 2711070111 |
10 | 1081528453 |
11 | 505549375 |
12 | 262250631 |
13 | 1430b4185 |
14 | a38d1045 |
15 | 64e37d1d |
hex | 4076d085 |
1081528453 has 2 divisors, whose sum is σ = 1081528454. Its totient is φ = 1081528452.
The previous prime is 1081528417. The next prime is 1081528477. The reversal of 1081528453 is 3548251801.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 855387009 + 226141444 = 29247^2 + 15038^2 .
It is an emirp because it is prime and its reverse (3548251801) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1081528453 - 229 = 544657541 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1081528153) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540764226 + 540764227.
It is an arithmetic number, because the mean of its divisors is an integer number (540764227).
Almost surely, 21081528453 is an apocalyptic number.
It is an amenable number.
1081528453 is a deficient number, since it is larger than the sum of its proper divisors (1).
1081528453 is an equidigital number, since it uses as much as digits as its factorization.
1081528453 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 38400, while the sum is 37.
The square root of 1081528453 is about 32886.5999002633. The cubic root of 1081528453 is about 1026.4693431678.
The spelling of 1081528453 in words is "one billion, eighty-one million, five hundred twenty-eight thousand, four hundred fifty-three".
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