Base | Representation |
---|---|
bin | 110011101111101… |
… | …101011110011110 |
3 | 2020111120100010112 |
4 | 303233231132132 |
5 | 3234221120204 |
6 | 222051210022 |
7 | 30341053100 |
oct | 6357553636 |
9 | 2214510115 |
10 | 868145054 |
11 | 406055257 |
12 | 2028a6912 |
13 | 10ab222ca |
14 | 83427570 |
15 | 5133826e |
hex | 33bed79e |
868145054 has 24 divisors (see below), whose sum is σ = 1535588208. Its totient is φ = 366962400.
The previous prime is 868145039. The next prime is 868145059. The reversal of 868145054 is 450541868.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (868145059) 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, 53522 + ... + 67829.
It is an arithmetic number, because the mean of its divisors is an integer number (63982842).
Almost surely, 2868145054 is an apocalyptic number.
868145054 is a deficient number, since it is larger than the sum of its proper divisors (667443154).
868145054 is a wasteful number, since it uses less digits than its factorization.
868145054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121440 (or 121433 counting only the distinct ones).
The product of its (nonzero) digits is 153600, while the sum is 41.
The square root of 868145054 is about 29464.3013492599. The cubic root of 868145054 is about 953.9613183806.
It can be divided in two parts, 8681 and 45054, that added together give a palindrome (53735).
The spelling of 868145054 in words is "eight hundred sixty-eight million, one hundred forty-five thousand, fifty-four".
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