Base | Representation |
---|---|
bin | 10111010000011010… |
… | …10000011111110100 |
3 | 1012020011002111121201 |
4 | 23220031100133310 |
5 | 201032321133043 |
6 | 5422540222244 |
7 | 621256622062 |
oct | 135015203764 |
9 | 35204074551 |
10 | 12485724148 |
11 | 5327958397 |
12 | 250553a984 |
13 | 123c98ba71 |
14 | 866339032 |
15 | 4d1218c4d |
hex | 2e83507f4 |
12485724148 has 48 divisors (see below), whose sum is σ = 23254071120. Its totient is φ = 5854657536.
The previous prime is 12485724091. The next prime is 12485724157. The reversal of 12485724148 is 84142758421.
12485724148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 4119329124 + 8366395024 = 64182^2 + 91468^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12485724098 and 12485724107.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2903536 + ... + 2907832.
It is an arithmetic number, because the mean of its divisors is an integer number (484459815).
Almost surely, 212485724148 is an apocalyptic number.
It is an amenable number.
12485724148 is a deficient number, since it is larger than the sum of its proper divisors (10768346972).
12485724148 is a wasteful number, since it uses less digits than its factorization.
12485724148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5044 (or 5042 counting only the distinct ones).
The product of its digits is 573440, while the sum is 46.
The spelling of 12485724148 in words is "twelve billion, four hundred eighty-five million, seven hundred twenty-four thousand, one hundred forty-eight".
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