Base | Representation |
---|---|
bin | 10110100010101001… |
… | …11101110100111111 |
3 | 1011020101210122011022 |
4 | 23101110331310333 |
5 | 144241034300423 |
6 | 5320505014355 |
7 | 605616121340 |
oct | 132124756477 |
9 | 34211718138 |
10 | 12101868863 |
11 | 515020a217 |
12 | 2418a843bb |
13 | 11ab2b0b66 |
14 | 82b3780c7 |
15 | 4ac693dc8 |
hex | 2d153dd3f |
12101868863 has 16 divisors (see below), whose sum is σ = 14667577344. Its totient is φ = 9747319680.
The previous prime is 12101868851. The next prime is 12101868893. The reversal of 12101868863 is 36886810121.
It is a happy number.
It is not a de Polignac number, because 12101868863 - 26 = 12101868799 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12101868803) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5495 + ... + 155672.
It is an arithmetic number, because the mean of its divisors is an integer number (916723584).
Almost surely, 212101868863 is an apocalyptic number.
12101868863 is a deficient number, since it is larger than the sum of its proper divisors (2565708481).
12101868863 is a wasteful number, since it uses less digits than its factorization.
12101868863 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 161822.
The product of its (nonzero) digits is 110592, while the sum is 44.
The spelling of 12101868863 in words is "twelve billion, one hundred one million, eight hundred sixty-eight thousand, eight hundred sixty-three".
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