Base | Representation |
---|---|
bin | 100100101011000… |
… | …0101010101001111 |
3 | 10011202110012000201 |
4 | 1021112011111033 |
5 | 10010003311100 |
6 | 322034234331 |
7 | 42331203463 |
oct | 11126052517 |
9 | 3152405021 |
10 | 1230525775 |
11 | 581666256 |
12 | 2a41259a7 |
13 | 167c2187b |
14 | b95d84a3 |
15 | 7306a36a |
hex | 4958554f |
1230525775 has 12 divisors (see below), whose sum is σ = 1532522200. Its totient is φ = 980117280.
The previous prime is 1230525757. The next prime is 1230525781. The reversal of 1230525775 is 5775250321.
It is not a de Polignac number, because 1230525775 - 213 = 1230517583 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101745 + ... + 113194.
Almost surely, 21230525775 is an apocalyptic number.
1230525775 is a deficient number, since it is larger than the sum of its proper divisors (301996425).
1230525775 is a wasteful number, since it uses less digits than its factorization.
1230525775 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215178 (or 215173 counting only the distinct ones).
The product of its (nonzero) digits is 73500, while the sum is 37.
The square root of 1230525775 is about 35078.8508221122. The cubic root of 1230525775 is about 1071.5939138059.
The spelling of 1230525775 in words is "one billion, two hundred thirty million, five hundred twenty-five thousand, seven hundred seventy-five".
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