Base | Representation |
---|---|
bin | 10010101110110… |
… | …11011010110011 |
3 | 101221200100211201 |
4 | 21113123122303 |
5 | 310211332223 |
6 | 23331552031 |
7 | 3615432043 |
oct | 1127333263 |
9 | 357610751 |
10 | 157136563 |
11 | 80777031 |
12 | 4475b617 |
13 | 2672a31c |
14 | 16c25723 |
15 | dbddead |
hex | 95db6b3 |
157136563 has 2 divisors, whose sum is σ = 157136564. Its totient is φ = 157136562.
The previous prime is 157136543. The next prime is 157136677. The reversal of 157136563 is 365631751.
It is a weak prime.
It is an emirp because it is prime and its reverse (365631751) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 157136563 - 213 = 157128371 is a prime.
It is not a weakly prime, because it can be changed into another prime (157136503) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78568281 + 78568282.
It is an arithmetic number, because the mean of its divisors is an integer number (78568282).
Almost surely, 2157136563 is an apocalyptic number.
157136563 is a deficient number, since it is larger than the sum of its proper divisors (1).
157136563 is an equidigital number, since it uses as much as digits as its factorization.
157136563 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 56700, while the sum is 37.
The square root of 157136563 is about 12535.4123585944. The cubic root of 157136563 is about 539.6254409871.
The spelling of 157136563 in words is "one hundred fifty-seven million, one hundred thirty-six thousand, five hundred sixty-three".
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