Base | Representation |
---|---|
bin | 10001011100111100… |
… | …000011001110001111 |
3 | 1210100221221200001102 |
4 | 101130330003032033 |
5 | 301334203134040 |
6 | 12335244133315 |
7 | 1232241564014 |
oct | 213474031617 |
9 | 53327850042 |
10 | 18739114895 |
11 | 7a46818416 |
12 | 376b83723b |
13 | 19c83b6687 |
14 | c9aa6770b |
15 | 74a205515 |
hex | 45cf0338f |
18739114895 has 8 divisors (see below), whose sum is σ = 23670461040. Its totient is φ = 14202276480.
The previous prime is 18739114843. The next prime is 18739114897. The reversal of 18739114895 is 59841193781.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18739114895 - 212 = 18739110799 is a prime.
It is a super-2 number, since 2×187391148952 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 18739114895.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18739114897) 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, 98626826 + ... + 98627015.
It is an arithmetic number, because the mean of its divisors is an integer number (2958807630).
Almost surely, 218739114895 is an apocalyptic number.
18739114895 is a deficient number, since it is larger than the sum of its proper divisors (4931346145).
18739114895 is a wasteful number, since it uses less digits than its factorization.
18739114895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197253865.
The product of its digits is 2177280, while the sum is 56.
The spelling of 18739114895 in words is "eighteen billion, seven hundred thirty-nine million, one hundred fourteen thousand, eight hundred ninety-five".
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