Base | Representation |
---|---|
bin | 1000010101011110001… |
… | …00111100110110100001 |
3 | 1000101021001211012110012 |
4 | 10022233010330312201 |
5 | 14143024204332121 |
6 | 335323412214305 |
7 | 26456246424422 |
oct | 4125704746641 |
9 | 1011231735405 |
10 | 286405152161 |
11 | 100511272967 |
12 | 4761060a395 |
13 | 2101444644b |
14 | dc0d7b1649 |
15 | 76b3e0ac5b |
hex | 42af13cda1 |
286405152161 has 4 divisors (see below), whose sum is σ = 287593555524. Its totient is φ = 285216748800.
The previous prime is 286405152151. The next prime is 286405152217. The reversal of 286405152161 is 161251504682.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 144902035600 + 141503116561 = 380660^2 + 376169^2 .
It is a cyclic number.
It is not a de Polignac number, because 286405152161 - 26 = 286405152097 is a prime.
It is a super-2 number, since 2×2864051521612 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (286405152151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594201320 + ... + 594201801.
It is an arithmetic number, because the mean of its divisors is an integer number (71898388881).
Almost surely, 2286405152161 is an apocalyptic number.
It is an amenable number.
286405152161 is a deficient number, since it is larger than the sum of its proper divisors (1188403363).
286405152161 is a wasteful number, since it uses less digits than its factorization.
286405152161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1188403362.
The product of its (nonzero) digits is 115200, while the sum is 41.
The spelling of 286405152161 in words is "two hundred eighty-six billion, four hundred five million, one hundred fifty-two thousand, one hundred sixty-one".
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