Base | Representation |
---|---|
bin | 1010001111110111… |
… | …0011100000111001 |
3 | 21002201021120220111 |
4 | 2203331303200321 |
5 | 21113211403433 |
6 | 1132545024321 |
7 | 125112106420 |
oct | 24375634071 |
9 | 7081246814 |
10 | 2750887993 |
11 | 1191893957 |
12 | 6493250a1 |
13 | 34abc3099 |
14 | 1c14bc2b7 |
15 | 111787dcd |
hex | a3f73839 |
2750887993 has 16 divisors (see below), whose sum is σ = 3197032960. Its totient is φ = 2318284800.
The previous prime is 2750887987. The next prime is 2750887999. The reversal of 2750887993 is 3997880572.
It is an interprime number because it is at equal distance from previous prime (2750887987) and next prime (2750887999).
It is a cyclic number.
It is not a de Polignac number, because 2750887993 - 225 = 2717333561 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2750887999) 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, 122953 + ... + 143593.
It is an arithmetic number, because the mean of its divisors is an integer number (199814560).
Almost surely, 22750887993 is an apocalyptic number.
It is an amenable number.
2750887993 is a deficient number, since it is larger than the sum of its proper divisors (446144967).
2750887993 is a wasteful number, since it uses less digits than its factorization.
2750887993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20968.
The product of its (nonzero) digits is 7620480, while the sum is 58.
The square root of 2750887993 is about 52448.9084061813. The cubic root of 2750887993 is about 1401.1704485726.
The spelling of 2750887993 in words is "two billion, seven hundred fifty million, eight hundred eighty-seven thousand, nine hundred ninety-three".
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