Base | Representation |
---|---|
bin | 1110011011100… |
… | …10010000101111 |
3 | 22102210012012221 |
4 | 13031302100233 |
5 | 221442214010 |
6 | 20002340211 |
7 | 2666641600 |
oct | 715622057 |
9 | 272705187 |
10 | 121054255 |
11 | 62371943 |
12 | 3465a667 |
13 | 1c105a4a |
14 | 12111da7 |
15 | a962dda |
hex | 737242f |
121054255 has 24 divisors (see below), whose sum is σ = 171046512. Its totient is φ = 81994752.
The previous prime is 121054231. The next prime is 121054259. The reversal of 121054255 is 552450121.
It is not a de Polignac number, because 121054255 - 25 = 121054223 is a prime.
It is a super-3 number, since 3×1210542553 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121054259) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17359 + ... + 23311.
It is an arithmetic number, because the mean of its divisors is an integer number (7126938).
Almost surely, 2121054255 is an apocalyptic number.
121054255 is a deficient number, since it is larger than the sum of its proper divisors (49992257).
121054255 is an equidigital number, since it uses as much as digits as its factorization.
121054255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6055 (or 6048 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 25.
The square root of 121054255 is about 11002.4658599788. The cubic root of 121054255 is about 494.6826588912.
The spelling of 121054255 in words is "one hundred twenty-one million, fifty-four thousand, two hundred fifty-five".
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