Base | Representation |
---|---|
bin | 10111011011111001… |
… | …01110111100100000 |
3 | 1012110212100122200102 |
4 | 23231330232330200 |
5 | 201232001240322 |
6 | 5440301041532 |
7 | 623536465112 |
oct | 135574567440 |
9 | 35425318612 |
10 | 12582055712 |
11 | 5377273756 |
12 | 25318562a8 |
13 | 12569198a5 |
14 | 8750533b2 |
15 | 4d98e6792 |
hex | 2edf2ef20 |
12582055712 has 54 divisors (see below), whose sum is σ = 25188799419. Its totient is φ = 6186648000.
The previous prime is 12582055649. The next prime is 12582055727. The reversal of 12582055712 is 21755028521.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 6291027856 + 6291027856 = 79316^2 + 79316^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=79316.
It is a super-3 number, since 3×125820557123 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 50127587 + ... + 50127837.
Almost surely, 212582055712 is an apocalyptic number.
It is an amenable number.
12582055712 is an abundant number, since it is smaller than the sum of its proper divisors (12606743707).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12582055712 is an frugal number, since it uses more digits than its factorization.
12582055712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 670 (or 332 counting only the distinct ones).
The product of its (nonzero) digits is 56000, while the sum is 38.
The spelling of 12582055712 in words is "twelve billion, five hundred eighty-two million, fifty-five thousand, seven hundred twelve".
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