Base | Representation |
---|---|
bin | 110000100101010100… |
… | …111010011100101111 |
3 | 11222122112020120221011 |
4 | 300211110322130233 |
5 | 1323313424044311 |
6 | 35544211050051 |
7 | 3524501245000 |
oct | 604524723457 |
9 | 158575216834 |
10 | 52165846831 |
11 | 2013a29590a |
12 | a13a2a0927 |
13 | 4bc46a3bb7 |
14 | 274c23b1a7 |
15 | 1554ab7321 |
hex | c2553a72f |
52165846831 has 16 divisors (see below), whose sum is σ = 63479808000. Its totient is φ = 42769507704.
The previous prime is 52165846829. The next prime is 52165846867. The reversal of 52165846831 is 13864856125.
It is not a de Polignac number, because 52165846831 - 21 = 52165846829 is a prime.
It is a super-2 number, since 2×521658468312 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52165841831) 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 15 ways as a sum of consecutive naturals, for example, 3298351 + ... + 3314128.
It is an arithmetic number, because the mean of its divisors is an integer number (3967488000).
Almost surely, 252165846831 is an apocalyptic number.
52165846831 is a deficient number, since it is larger than the sum of its proper divisors (11313961169).
52165846831 is an equidigital number, since it uses as much as digits as its factorization.
52165846831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6612523 (or 6612509 counting only the distinct ones).
The product of its digits is 1382400, while the sum is 49.
The spelling of 52165846831 in words is "fifty-two billion, one hundred sixty-five million, eight hundred forty-six thousand, eight hundred thirty-one".
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