Base | Representation |
---|---|
bin | 100101100011010… |
… | …1110101000000101 |
3 | 10020211000102120101 |
4 | 1023012232220011 |
5 | 10040033230140 |
6 | 325011204101 |
7 | 43140201604 |
oct | 11306565005 |
9 | 3224012511 |
10 | 1260055045 |
11 | 5972a5007 |
12 | 2b1ba6631 |
13 | 171090502 |
14 | bd4c3a3b |
15 | 7594e99a |
hex | 4b1aea05 |
1260055045 has 16 divisors (see below), whose sum is σ = 1602048240. Its totient is φ = 948132864.
The previous prime is 1260055021. The next prime is 1260055057. The reversal of 1260055045 is 5405500621.
It can be written as a sum of positive squares in 8 ways, for example, as 235991044 + 1024064001 = 15362^2 + 32001^2 .
It is a cyclic number.
It is not a de Polignac number, because 1260055045 - 215 = 1260022277 is a prime.
It is a congruent number.
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, 160471 + ... + 168139.
It is an arithmetic number, because the mean of its divisors is an integer number (100128015).
Almost surely, 21260055045 is an apocalyptic number.
It is an amenable number.
1260055045 is a deficient number, since it is larger than the sum of its proper divisors (341993195).
1260055045 is a wasteful number, since it uses less digits than its factorization.
1260055045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9624.
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 1260055045 is about 35497.2540487289. The cubic root of 1260055045 is about 1080.0980263676.
Adding to 1260055045 its reverse (5405500621), we get a palindrome (6665555666).
The spelling of 1260055045 in words is "one billion, two hundred sixty million, fifty-five thousand, forty-five".
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