Base | Representation |
---|---|
bin | 10110101110000001… |
… | …11101000101100100 |
3 | 1011111001100100012101 |
4 | 23113000331011210 |
5 | 144440001124434 |
6 | 5334154101444 |
7 | 611155136203 |
oct | 132700750544 |
9 | 34431310171 |
10 | 12197286244 |
11 | 519a060760 |
12 | 2444a1a884 |
13 | 11c4cab850 |
14 | 839cd523a |
15 | 4b5c40b14 |
hex | 2d703d164 |
12197286244 has 96 divisors (see below), whose sum is σ = 25559089920. Its totient is φ = 5020108800.
The previous prime is 12197286209. The next prime is 12197286247. The reversal of 12197286244 is 44268279121.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 12197286194 and 12197286203.
It is not an unprimeable number, because it can be changed into a prime (12197286247) 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, 9461952 + ... + 9463240.
It is an arithmetic number, because the mean of its divisors is an integer number (266240520).
Almost surely, 212197286244 is an apocalyptic number.
It is an amenable number.
12197286244 is an abundant number, since it is smaller than the sum of its proper divisors (13361803676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12197286244 is a wasteful number, since it uses less digits than its factorization.
12197286244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1621 (or 1619 counting only the distinct ones).
The product of its digits is 387072, while the sum is 46.
The spelling of 12197286244 in words is "twelve billion, one hundred ninety-seven million, two hundred eighty-six thousand, two hundred forty-four".
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