Base | Representation |
---|---|
bin | 100000001110101… |
… | …1111011111001011 |
3 | 2210100222112000111 |
4 | 1000131133133023 |
5 | 4203324113341 |
6 | 255151415151 |
7 | 35541240265 |
oct | 10035373713 |
9 | 2710875014 |
10 | 1081472971 |
11 | 505510717 |
12 | 2622244b7 |
13 | 143094b47 |
14 | a38b8b35 |
15 | 64e26681 |
hex | 4075f7cb |
1081472971 has 2 divisors, whose sum is σ = 1081472972. Its totient is φ = 1081472970.
The previous prime is 1081472947. The next prime is 1081472981. The reversal of 1081472971 is 1792741801.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1081472971 - 215 = 1081440203 is a prime.
It is not a weakly prime, because it can be changed into another prime (1081472921) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540736485 + 540736486.
It is an arithmetic number, because the mean of its divisors is an integer number (540736486).
Almost surely, 21081472971 is an apocalyptic number.
1081472971 is a deficient number, since it is larger than the sum of its proper divisors (1).
1081472971 is an equidigital number, since it uses as much as digits as its factorization.
1081472971 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 28224, while the sum is 40.
The square root of 1081472971 is about 32885.7563543854. The cubic root of 1081472971 is about 1026.4517903715.
The spelling of 1081472971 in words is "one billion, eighty-one million, four hundred seventy-two thousand, nine hundred seventy-one".
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