Base | Representation |
---|---|
bin | 10111000000111110… |
… | …10111100111000100 |
3 | 1011220010110202011112 |
4 | 23200133113213010 |
5 | 200301200113043 |
6 | 5402033224152 |
7 | 615125266400 |
oct | 134037274704 |
9 | 34803422145 |
10 | 12356254148 |
11 | 5270868697 |
12 | 248a102058 |
13 | 121bbca5b4 |
14 | 853076100 |
15 | 4c4b92518 |
hex | 2e07d79c4 |
12356254148 has 18 divisors (see below), whose sum is σ = 25153803486. Its totient is φ = 5295537408.
The previous prime is 12356254147. The next prime is 12356254159. The reversal of 12356254148 is 84145265321.
It can be written as a sum of positive squares in only one way, i.e., 11581633924 + 774620224 = 107618^2 + 27832^2 .
It is not an unprimeable number, because it can be changed into a prime (12356254147) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31520861 + ... + 31521252.
It is an arithmetic number, because the mean of its divisors is an integer number (1397433527).
Almost surely, 212356254148 is an apocalyptic number.
It is an amenable number.
12356254148 is an abundant number, since it is smaller than the sum of its proper divisors (12797549338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12356254148 is a wasteful number, since it uses less digits than its factorization.
12356254148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63042131 (or 63042122 counting only the distinct ones).
The product of its digits is 230400, while the sum is 41.
The spelling of 12356254148 in words is "twelve billion, three hundred fifty-six million, two hundred fifty-four thousand, one hundred forty-eight".
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