Base | Representation |
---|---|
bin | 10111001101100010… |
… | …10001010000010101 |
3 | 1012011110201101020022 |
4 | 23212301101100111 |
5 | 201010133010010 |
6 | 5420315314525 |
7 | 620544636335 |
oct | 134661212025 |
9 | 35143641208 |
10 | 12461610005 |
11 | 5315288049 |
12 | 24b944ba45 |
13 | 1237997b40 |
14 | 86305d0c5 |
15 | 4ce053d55 |
hex | 2e6c51415 |
12461610005 has 8 divisors (see below), whose sum is σ = 16104234552. Its totient is φ = 9202419648.
The previous prime is 12461609999. The next prime is 12461610017. The reversal of 12461610005 is 50001616421.
It can be written as a sum of positive squares in 4 ways, for example, as 215531761 + 12246078244 = 14681^2 + 110662^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12461610005 - 218 = 12461347861 is a prime.
It is a super-2 number, since 2×124616100052 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95858474 + ... + 95858603.
It is an arithmetic number, because the mean of its divisors is an integer number (2013029319).
Almost surely, 212461610005 is an apocalyptic number.
It is an amenable number.
12461610005 is a deficient number, since it is larger than the sum of its proper divisors (3642624547).
12461610005 is a wasteful number, since it uses less digits than its factorization.
12461610005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 191717095.
The product of its (nonzero) digits is 1440, while the sum is 26.
The spelling of 12461610005 in words is "twelve billion, four hundred sixty-one million, six hundred ten thousand, five".
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