Base | Representation |
---|---|
bin | 111111011011111… |
… | …0111101101111101 |
3 | 12111100021211110100 |
4 | 1332313313231331 |
5 | 13324403402412 |
6 | 551114431313 |
7 | 103514410026 |
oct | 17667675575 |
9 | 5440254410 |
10 | 2128575357 |
11 | 9a2586197 |
12 | 4b4a32539 |
13 | 27bcb455c |
14 | 1629a7c4d |
15 | c6d0dedc |
hex | 7edf7b7d |
2128575357 has 12 divisors (see below), whose sum is σ = 3077451520. Its totient is φ = 1417738248.
The previous prime is 2128575341. The next prime is 2128575373. The reversal of 2128575357 is 7535758212.
2128575357 is a `hidden beast` number, since 2 + 1 + 28 + 575 + 3 + 57 = 666.
It is an interprime number because it is at equal distance from previous prime (2128575341) and next prime (2128575373).
It is not a de Polignac number, because 2128575357 - 24 = 2128575341 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2128575307) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99007 + ... + 118572.
Almost surely, 22128575357 is an apocalyptic number.
It is an amenable number.
2128575357 is a deficient number, since it is larger than the sum of its proper divisors (948876163).
2128575357 is a wasteful number, since it uses less digits than its factorization.
2128575357 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 218672 (or 218669 counting only the distinct ones).
The product of its digits is 588000, while the sum is 45.
The square root of 2128575357 is about 46136.4861795954. The cubic root of 2128575357 is about 1286.3614305058.
The spelling of 2128575357 in words is "two billion, one hundred twenty-eight million, five hundred seventy-five thousand, three hundred fifty-seven".
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