Base | Representation |
---|---|
bin | 10111001111111101… |
… | …10110000011100011 |
3 | 1012012212222112201220 |
4 | 23213332312003203 |
5 | 201030334231302 |
6 | 5422323230123 |
7 | 621212534421 |
oct | 134776660343 |
9 | 35185875656 |
10 | 12481945827 |
11 | 532580770a |
12 | 2504218343 |
13 | 123bc68080 |
14 | 865a34111 |
15 | 4d0c1e4bc |
hex | 2e7fb60e3 |
12481945827 has 16 divisors (see below), whose sum is σ = 17952748800. Its totient is φ = 7668359712.
The previous prime is 12481945813. The next prime is 12481945829. The reversal of 12481945827 is 72854918421.
It is not a de Polignac number, because 12481945827 - 226 = 12414836963 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12481945827.
It is not an unprimeable number, because it can be changed into a prime (12481945829) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243793 + ... + 290514.
It is an arithmetic number, because the mean of its divisors is an integer number (1122046800).
Almost surely, 212481945827 is an apocalyptic number.
12481945827 is a deficient number, since it is larger than the sum of its proper divisors (5470802973).
12481945827 is a wasteful number, since it uses less digits than its factorization.
12481945827 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 534922.
The product of its digits is 1290240, while the sum is 51.
The spelling of 12481945827 in words is "twelve billion, four hundred eighty-one million, nine hundred forty-five thousand, eight hundred twenty-seven".
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