Base | Representation |
---|---|
bin | 111000011101111100… |
… | …0111111110010001000 |
3 | 102121000002101102202220 |
4 | 1300323320333302020 |
5 | 3441322023200402 |
6 | 131412521454040 |
7 | 11522013661455 |
oct | 1607370776210 |
9 | 377002342686 |
10 | 121263881352 |
11 | 47478332969 |
12 | 1b603041320 |
13 | b586cb7363 |
14 | 5c2514482c |
15 | 324ae0ddbc |
hex | 1c3be3fc88 |
121263881352 has 32 divisors (see below), whose sum is σ = 310209931680. Its totient is φ = 39481263360.
The previous prime is 121263881351. The next prime is 121263881399. The reversal of 121263881352 is 253188362121.
It is not an unprimeable number, because it can be changed into a prime (121263881351) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58750849 + ... + 58752912.
It is an arithmetic number, because the mean of its divisors is an integer number (9694060365).
Almost surely, 2121263881352 is an apocalyptic number.
121263881352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121263881352 is an abundant number, since it is smaller than the sum of its proper divisors (188946050328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121263881352 is a wasteful number, since it uses less digits than its factorization.
121263881352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117503813 (or 117503809 counting only the distinct ones).
The product of its digits is 138240, while the sum is 42.
The spelling of 121263881352 in words is "one hundred twenty-one billion, two hundred sixty-three million, eight hundred eighty-one thousand, three hundred fifty-two".
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