Base | Representation |
---|---|
bin | 111110111010000… |
… | …100110101011001 |
3 | 2201112221110110111 |
4 | 332322010311121 |
5 | 4130141132140 |
6 | 252421044321 |
7 | 35103564406 |
oct | 7672046531 |
9 | 2645843414 |
10 | 1055411545 |
11 | 4a1830351 |
12 | 2555566a1 |
13 | 13a86b796 |
14 | a02532ad |
15 | 629c97ea |
hex | 3ee84d59 |
1055411545 has 16 divisors (see below), whose sum is σ = 1301318928. Its totient is φ = 821237760.
The previous prime is 1055411509. The next prime is 1055411579. The reversal of 1055411545 is 5451145501.
It can be written as a sum of positive squares in 8 ways, for example, as 460832089 + 594579456 = 21467^2 + 24384^2 .
It is not a de Polignac number, because 1055411545 - 27 = 1055411417 is a prime.
It is a super-2 number, since 2×10554115452 = 2227787058638574050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61447 + ... + 76723.
It is an arithmetic number, because the mean of its divisors is an integer number (81332433).
Almost surely, 21055411545 is an apocalyptic number.
It is an amenable number.
1055411545 is a deficient number, since it is larger than the sum of its proper divisors (245907383).
1055411545 is a wasteful number, since it uses less digits than its factorization.
1055411545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15660.
The product of its (nonzero) digits is 10000, while the sum is 31.
The square root of 1055411545 is about 32487.0981314121. The cubic root of 1055411545 is about 1018.1394845559.
The spelling of 1055411545 in words is "one billion, fifty-five million, four hundred eleven thousand, five hundred forty-five".
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