Base | Representation |
---|---|
bin | 11011101110000010011010… |
… | …001100101101010000000000 |
3 | 120222122120102221011201102210 |
4 | 123232002122030231100000 |
5 | 111434342100310031000 |
6 | 1111141040114142120 |
7 | 34451526465444036 |
oct | 3356023214552000 |
9 | 528576387151383 |
10 | 121910938752000 |
11 | 35932158794202 |
12 | 1180b1a6881940 |
13 | 53041c94b2c18 |
14 | 2216741588556 |
15 | e162b38da350 |
hex | 6ee09a32d400 |
121910938752000 has 704 divisors, whose sum is σ = 408159146723328. Its totient is φ = 32298762240000.
The previous prime is 121910938751977. The next prime is 121910938752089. The reversal of 121910938752000 is 257839019121.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54890110890 + ... + 54890113110.
It is an arithmetic number, because the mean of its divisors is an integer number (579771515232).
Almost surely, 2121910938752000 is an apocalyptic number.
121910938752000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121910938752000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204079573361664).
121910938752000 is an abundant number, since it is smaller than the sum of its proper divisors (286248207971328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121910938752000 is a wasteful number, since it uses less digits than its factorization.
121910938752000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3123 (or 3095 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 48.
The spelling of 121910938752000 in words is "one hundred twenty-one trillion, nine hundred ten billion, nine hundred thirty-eight million, seven hundred fifty-two thousand".
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