Base | Representation |
---|---|
bin | 100000001100000… |
… | …1001011011010110 |
3 | 2210021100100002202 |
4 | 1000120021123112 |
5 | 4202444300034 |
6 | 255101404502 |
7 | 35523313436 |
oct | 10030113326 |
9 | 2707310082 |
10 | 1080071894 |
11 | 504744000 |
12 | 261869732 |
13 | 1429c41c5 |
14 | a36322c6 |
15 | 64c4b47e |
hex | 406096d6 |
1080071894 has 32 divisors (see below), whose sum is σ = 1794465792. Its totient is φ = 487509000.
The previous prime is 1080071887. The next prime is 1080071933. The reversal of 1080071894 is 4981700801.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400619 + ... + 403305.
It is an arithmetic number, because the mean of its divisors is an integer number (56077056).
Almost surely, 21080071894 is an apocalyptic number.
1080071894 is a deficient number, since it is larger than the sum of its proper divisors (714393898).
1080071894 is a wasteful number, since it uses less digits than its factorization.
1080071894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2873 (or 2851 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 38.
The square root of 1080071894 is about 32864.4472644832. The cubic root of 1080071894 is about 1026.0083336140.
It can be divided in two parts, 108007 and 1894, that added together give a palindrome (109901).
The spelling of 1080071894 in words is "one billion, eighty million, seventy-one thousand, eight hundred ninety-four".
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