Base | Representation |
---|---|
bin | 1110011011100… |
… | …01111101110101 |
3 | 22102210010120010 |
4 | 13031301331311 |
5 | 221442144140 |
6 | 20002330433 |
7 | 2666635221 |
oct | 715617565 |
9 | 272703503 |
10 | 121053045 |
11 | 62370a43 |
12 | 34659a19 |
13 | 1c105329 |
14 | 12111781 |
15 | a962880 |
hex | 7371f75 |
121053045 has 16 divisors (see below), whose sum is σ = 195604992. Its totient is φ = 63921600.
The previous prime is 121053017. The next prime is 121053061. The reversal of 121053045 is 540350121.
It is not a de Polignac number, because 121053045 - 27 = 121052917 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38437 + ... + 41466.
It is an arithmetic number, because the mean of its divisors is an integer number (12225312).
Almost surely, 2121053045 is an apocalyptic number.
121053045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
121053045 is a deficient number, since it is larger than the sum of its proper divisors (74551947).
121053045 is a wasteful number, since it uses less digits than its factorization.
121053045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80012.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 121053045 is about 11002.4108721680. The cubic root of 121053045 is about 494.6810106826.
The spelling of 121053045 in words is "one hundred twenty-one million, fifty-three thousand, forty-five".
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