Base | Representation |
---|---|
bin | 1011101000000110101111… |
… | …0000001100111111101000 |
3 | 1200021002210012001121200120 |
4 | 2322001223300030333220 |
5 | 3133421333400034034 |
6 | 43104415130403240 |
7 | 2456405165062431 |
oct | 272015360147750 |
9 | 50232705047616 |
10 | 12783630471144 |
11 | 4089564150255 |
12 | 1525677b90520 |
13 | 71965017ccc0 |
14 | 322a33ca0488 |
15 | 1727e9076c49 |
hex | ba06bc0cfe8 |
12783630471144 has 128 divisors (see below), whose sum is σ = 36231336960000. Its totient is φ = 3726153010944.
The previous prime is 12783630471137. The next prime is 12783630471149. The reversal of 12783630471144 is 44117403638721.
12783630471144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×127836304711442 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12783630471149) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100279557 + ... + 100406955.
It is an arithmetic number, because the mean of its divisors is an integer number (283057320000).
Almost surely, 212783630471144 is an apocalyptic number.
It is an amenable number.
12783630471144 is an abundant number, since it is smaller than the sum of its proper divisors (23447706488856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12783630471144 is a wasteful number, since it uses less digits than its factorization.
12783630471144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144367 (or 144363 counting only the distinct ones).
The product of its (nonzero) digits is 2709504, while the sum is 51.
The spelling of 12783630471144 in words is "twelve trillion, seven hundred eighty-three billion, six hundred thirty million, four hundred seventy-one thousand, one hundred forty-four".
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