Base | Representation |
---|---|
bin | 1010000111010110… |
… | …0100000010000001 |
3 | 21000020002002010201 |
4 | 2201311210002001 |
5 | 21030041013433 |
6 | 1125231325201 |
7 | 124166406151 |
oct | 24165440201 |
9 | 7006062121 |
10 | 2715172993 |
11 | 117370a725 |
12 | 639380801 |
13 | 343699a50 |
14 | 1ba862761 |
15 | 10d580a7d |
hex | a1d64081 |
2715172993 has 4 divisors (see below), whose sum is σ = 2924032468. Its totient is φ = 2506313520.
The previous prime is 2715172981. The next prime is 2715173011. The reversal of 2715172993 is 3992715172.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1391886864 + 1323286129 = 37308^2 + 36377^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2715172993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2715172963) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104429718 + ... + 104429743.
It is an arithmetic number, because the mean of its divisors is an integer number (731008117).
Almost surely, 22715172993 is an apocalyptic number.
It is an amenable number.
2715172993 is a deficient number, since it is larger than the sum of its proper divisors (208859475).
2715172993 is a wasteful number, since it uses less digits than its factorization.
2715172993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208859474.
The product of its digits is 238140, while the sum is 46.
The square root of 2715172993 is about 52107.3218751453. The cubic root of 2715172993 is about 1395.0801790137.
The spelling of 2715172993 in words is "two billion, seven hundred fifteen million, one hundred seventy-two thousand, nine hundred ninety-three".
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