Base | Representation |
---|---|
bin | 10111110000011111… |
… | …10010000000000000 |
3 | 1012220220110001021020 |
4 | 23320033302000000 |
5 | 202110213233440 |
6 | 5505352025440 |
7 | 631035122256 |
oct | 137017620000 |
9 | 35826401236 |
10 | 12754821120 |
11 | 5455844988 |
12 | 257b692280 |
13 | 1283659842 |
14 | 88dd865d6 |
15 | 4e9b713d0 |
hex | 2f83f2000 |
12754821120 has 224 divisors, whose sum is σ = 42596848512. Its totient is φ = 3252682752.
The previous prime is 12754821109. The next prime is 12754821137. The reversal of 12754821120 is 2112845721.
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 15 ways as a sum of consecutive naturals, for example, 2823984 + ... + 2828496.
Almost surely, 212754821120 is an apocalyptic number.
12754821120 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 12754821120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21298424256).
12754821120 is an abundant number, since it is smaller than the sum of its proper divisors (29842027392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12754821120 is an equidigital number, since it uses as much as digits as its factorization.
12754821120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4570 (or 4546 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 33.
The spelling of 12754821120 in words is "twelve billion, seven hundred fifty-four million, eight hundred twenty-one thousand, one hundred twenty".
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