Base | Representation |
---|---|
bin | 1011111011110010011… |
… | …1111100111100010101 |
3 | 201121012202110020012121 |
4 | 2332330213330330111 |
5 | 11324344140142012 |
6 | 234104422415541 |
7 | 20545533456643 |
oct | 2767447747425 |
9 | 647182406177 |
10 | 205028052757 |
11 | 79a51a99700 |
12 | 3389b5915b1 |
13 | 16445c20618 |
14 | 9ccdba6193 |
15 | 54eeabca07 |
hex | 2fbc9fcf15 |
205028052757 has 12 divisors (see below), whose sum is σ = 227549402080. Its totient is φ = 184579524360.
The previous prime is 205028052739. The next prime is 205028052833. The reversal of 205028052757 is 757250820502.
It is not a de Polignac number, because 205028052757 - 235 = 170668314389 is a prime.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205028052457) 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, 8213007 + ... + 8237932.
Almost surely, 2205028052757 is an apocalyptic number.
It is an amenable number.
205028052757 is a deficient number, since it is larger than the sum of its proper divisors (22521349323).
205028052757 is a wasteful number, since it uses less digits than its factorization.
205028052757 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16451064 (or 16451053 counting only the distinct ones).
The product of its (nonzero) digits is 392000, while the sum is 43.
The spelling of 205028052757 in words is "two hundred five billion, twenty-eight million, fifty-two thousand, seven hundred fifty-seven".
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