Base | Representation |
---|---|
bin | 10111011111100010… |
… | …11111111110011001 |
3 | 1012112222221210001200 |
4 | 23233301133332121 |
5 | 201312320241431 |
6 | 5443313104413 |
7 | 624360612531 |
oct | 135761377631 |
9 | 35488853050 |
10 | 12612665241 |
11 | 5392580090 |
12 | 253bb58109 |
13 | 1260076137 |
14 | 8791404c1 |
15 | 4dc440ee6 |
hex | 2efc5ff99 |
12612665241 has 12 divisors (see below), whose sum is σ = 19874502960. Its totient is φ = 7644039480.
The previous prime is 12612665237. The next prime is 12612665267. The reversal of 12612665241 is 14256621621.
12612665241 is a `hidden beast` number, since 1 + 2 + 6 + 126 + 6 + 524 + 1 = 666.
It is not a de Polignac number, because 12612665241 - 22 = 12612665237 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12612665196 and 12612665205.
It is not an unprimeable number, because it can be changed into a prime (12612665201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63700231 + ... + 63700428.
It is an arithmetic number, because the mean of its divisors is an integer number (1656208580).
Almost surely, 212612665241 is an apocalyptic number.
12612665241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12612665241 is a deficient number, since it is larger than the sum of its proper divisors (7261837719).
12612665241 is a wasteful number, since it uses less digits than its factorization.
12612665241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127400676 (or 127400673 counting only the distinct ones).
The product of its digits is 34560, while the sum is 36.
The spelling of 12612665241 in words is "twelve billion, six hundred twelve million, six hundred sixty-five thousand, two hundred forty-one".
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