Base | Representation |
---|---|
bin | 100000001000101… |
… | …1010101000100001 |
3 | 2210011000200121200 |
4 | 1000101122220201 |
5 | 4202021313421 |
6 | 254555511413 |
7 | 35502314145 |
oct | 10021325041 |
9 | 2704020550 |
10 | 1078307361 |
11 | 50374930a |
12 | 261158569 |
13 | 142526cc1 |
14 | a32d3225 |
15 | 649ed726 |
hex | 4045aa21 |
1078307361 has 18 divisors (see below), whose sum is σ = 1643851170. Its totient is φ = 681034176.
The previous prime is 1078307353. The next prime is 1078307381. The reversal of 1078307361 is 1637038701.
It can be written as a sum of positive squares in only one way, i.e., 609151761 + 469155600 = 24681^2 + 21660^2 .
It is not a de Polignac number, because 1078307361 - 23 = 1078307353 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1078307311) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 162696 + ... + 169193.
It is an arithmetic number, because the mean of its divisors is an integer number (91325065).
Almost surely, 21078307361 is an apocalyptic number.
It is an amenable number.
1078307361 is a deficient number, since it is larger than the sum of its proper divisors (565543809).
1078307361 is a wasteful number, since it uses less digits than its factorization.
1078307361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 331933 (or 331911 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 36.
The square root of 1078307361 is about 32837.5906698406. The cubic root of 1078307361 is about 1025.4492929374.
The spelling of 1078307361 in words is "one billion, seventy-eight million, three hundred seven thousand, three hundred sixty-one".
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