Base | Representation |
---|---|
bin | 101000100100000011010… |
… | …010001101100101110101 |
3 | 100212110222220002220011102 |
4 | 220210003102031211311 |
5 | 331132234123143023 |
6 | 5532315452415445 |
7 | 405250400356364 |
oct | 50440322154565 |
9 | 10773886086142 |
10 | 2787488881013 |
11 | 985192892721 |
12 | 390298477585 |
13 | 172b22500155 |
14 | 98cb53897db |
15 | 4c797c3b628 |
hex | 2890348d975 |
2787488881013 has 8 divisors (see below), whose sum is σ = 2834993548800. Its totient is φ = 2740042540080.
The previous prime is 2787488881007. The next prime is 2787488881049. The reversal of 2787488881013 is 3101888847872.
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 2787488881013 - 222 = 2787484686709 is a prime.
It is a super-2 number, since 2×27874888810132 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2787488881813) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14485313 + ... + 14676486.
It is an arithmetic number, because the mean of its divisors is an integer number (354374193600).
Almost surely, 22787488881013 is an apocalyptic number.
It is an amenable number.
2787488881013 is a deficient number, since it is larger than the sum of its proper divisors (47504667787).
2787488881013 is a wasteful number, since it uses less digits than its factorization.
2787488881013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29163427.
The product of its (nonzero) digits is 38535168, while the sum is 65.
The spelling of 2787488881013 in words is "two trillion, seven hundred eighty-seven billion, four hundred eighty-eight million, eight hundred eighty-one thousand, thirteen".
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