Base | Representation |
---|---|
bin | 10100000010101… |
… | …01101101111000 |
3 | 102201100112202021 |
4 | 22001111231320 |
5 | 321014421011 |
6 | 24403244224 |
7 | 4111011160 |
oct | 1201255570 |
9 | 381315667 |
10 | 168123256 |
11 | 869a0544 |
12 | 48379674 |
13 | 28aa6022 |
14 | 184855a0 |
15 | eb5e471 |
hex | a055b78 |
168123256 has 32 divisors (see below), whose sum is σ = 362700000. Its totient is φ = 71565696.
The previous prime is 168123097. The next prime is 168123283. The reversal of 168123256 is 652321861.
168123256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×1681232563 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731 + ... + 18418.
It is an arithmetic number, because the mean of its divisors is an integer number (11334375).
Almost surely, 2168123256 is an apocalyptic number.
It is an amenable number.
168123256 is an abundant number, since it is smaller than the sum of its proper divisors (194576744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168123256 is a wasteful number, since it uses less digits than its factorization.
168123256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20311 (or 20307 counting only the distinct ones).
The product of its digits is 17280, while the sum is 34.
The square root of 168123256 is about 12966.2352284694. The cubic root of 168123256 is about 551.9197443358.
The spelling of 168123256 in words is "one hundred sixty-eight million, one hundred twenty-three thousand, two hundred fifty-six".
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