Base | Representation |
---|---|
bin | 10110110100011000… |
… | …01111011010000000 |
3 | 1011121202121202201000 |
4 | 23122030033122000 |
5 | 200042121422022 |
6 | 5343340212000 |
7 | 612403116336 |
oct | 133214173200 |
9 | 34552552630 |
10 | 12250576512 |
11 | 52171494a9 |
12 | 245a83a000 |
13 | 1203049755 |
14 | 843007b56 |
15 | 4ba76a6ac |
hex | 2da30f680 |
12250576512 has 64 divisors (see below), whose sum is σ = 36156225600. Its totient is φ = 4083524352.
The previous prime is 12250576511. The next prime is 12250576519. The reversal of 12250576512 is 21567505221.
12250576512 is a `hidden beast` number, since 1 + 22 + 50 + 5 + 76 + 512 = 666.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×122505765122 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (12250576511) 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, 1768908 + ... + 1775819.
It is an arithmetic number, because the mean of its divisors is an integer number (564941025).
Almost surely, 212250576512 is an apocalyptic number.
12250576512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12250576512 is an abundant number, since it is smaller than the sum of its proper divisors (23905649088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12250576512 is an equidigital number, since it uses as much as digits as its factorization.
12250576512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3544750 (or 3544732 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 36.
The spelling of 12250576512 in words is "twelve billion, two hundred fifty million, five hundred seventy-six thousand, five hundred twelve".
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