Base | Representation |
---|---|
bin | 11000001000010110… |
… | …10111010110000000 |
3 | 1020102212002200021200 |
4 | 30010023113112000 |
5 | 203012434134302 |
6 | 5541302221200 |
7 | 636015412002 |
oct | 140413272600 |
9 | 36385080250 |
10 | 12954989952 |
11 | 5548832773 |
12 | 2616724800 |
13 | 12b5c72938 |
14 | 8ac7b0372 |
15 | 50c51081c |
hex | 3042d7580 |
12954989952 has 48 divisors (see below), whose sum is σ = 37279336380. Its totient is φ = 4318329600.
The previous prime is 12954989951. The next prime is 12954990007. The reversal of 12954989952 is 25998945921.
12954989952 is a `hidden beast` number, since 1 + 2 + 9 + 5 + 498 + 99 + 52 = 666.
It is a tau number, because it is divible by the number of its divisors (48).
It is a self number, because there is not a number n which added to its sum of digits gives 12954989952.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12954989951) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 5621674 + ... + 5623977.
Almost surely, 212954989952 is an apocalyptic number.
12954989952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12954989952 is an abundant number, since it is smaller than the sum of its proper divisors (24324346428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12954989952 is a wasteful number, since it uses less digits than its factorization.
12954989952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11245671 (or 11245656 counting only the distinct ones).
The product of its digits is 20995200, while the sum is 63.
The spelling of 12954989952 in words is "twelve billion, nine hundred fifty-four million, nine hundred eighty-nine thousand, nine hundred fifty-two".
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