Base | Representation |
---|---|
bin | 1110100001100… |
… | …10011011011000 |
3 | 22111021011221021 |
4 | 13100302123120 |
5 | 222142410433 |
6 | 20031252224 |
7 | 3006430435 |
oct | 720623330 |
9 | 274234837 |
10 | 121841368 |
11 | 6285a250 |
12 | 3497a074 |
13 | 1c3200ac |
14 | 12278b8c |
15 | aa6b22d |
hex | 74326d8 |
121841368 has 16 divisors (see below), whose sum is σ = 249221160. Its totient is φ = 55382400.
The previous prime is 121841353. The next prime is 121841371. The reversal of 121841368 is 863148121.
It is a super-2 number, since 2×1218413682 = 29690637912222848, which contains 22 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 3 ways as a sum of consecutive naturals, for example, 692193 + ... + 692368.
Almost surely, 2121841368 is an apocalyptic number.
It is an amenable number.
121841368 is an abundant number, since it is smaller than the sum of its proper divisors (127379792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121841368 is a wasteful number, since it uses less digits than its factorization.
121841368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1384578 (or 1384574 counting only the distinct ones).
The product of its digits is 9216, while the sum is 34.
The square root of 121841368 is about 11038.1777481612. The cubic root of 121841368 is about 495.7525105055.
Adding to 121841368 its reverse (863148121), we get a palindrome (984989489).
The spelling of 121841368 in words is "one hundred twenty-one million, eight hundred forty-one thousand, three hundred sixty-eight".
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