Base | Representation |
---|---|
bin | 111000011111011011… |
… | …1001101010010110100 |
3 | 102121010120012201112120 |
4 | 1300332313031102310 |
5 | 3441422304302202 |
6 | 131421502315540 |
7 | 11523160544664 |
oct | 1607667152264 |
9 | 377116181476 |
10 | 121313744052 |
11 | 474a349a506 |
12 | 1b617888bb0 |
13 | b594425107 |
14 | 5c2ba041a4 |
15 | 32504ad0bc |
hex | 1c3edcd4b4 |
121313744052 has 24 divisors (see below), whose sum is σ = 283446399936. Its totient is φ = 40383486528.
The previous prime is 121313744039. The next prime is 121313744113. The reversal of 121313744052 is 250447313121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6794233 + ... + 6812064.
It is an arithmetic number, because the mean of its divisors is an integer number (11810266664).
Almost surely, 2121313744052 is an apocalyptic number.
121313744052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121313744052 is an abundant number, since it is smaller than the sum of its proper divisors (162132655884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121313744052 is a wasteful number, since it uses less digits than its factorization.
121313744052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13607047 (or 13607045 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The spelling of 121313744052 in words is "one hundred twenty-one billion, three hundred thirteen million, seven hundred forty-four thousand, fifty-two".
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