Search a number
-
+
810164007892 = 22409494946177
BaseRepresentation
bin10111100101000011000…
…10011011001111010100
32212110011201111211122101
423302201202123033110
5101233203441223032
61420103442211444
7112350422305051
oct13624142331724
92773151454571
10810164007892
11292652509318
12111022353b84
135b52392b925
142b2d81bc028
151611a799de7
hexbca189b3d4

810164007892 has 12 divisors (see below), whose sum is σ = 1417821923700. Its totient is φ = 405072029696.

The previous prime is 810164007811. The next prime is 810164007923. The reversal of 810164007892 is 298700461018.

810164007892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 676861616656 + 133302391236 = 822716^2 + 365106^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2309293 + ... + 2636884.

It is an arithmetic number, because the mean of its divisors is an integer number (118151826975).

Almost surely, 2810164007892 is an apocalyptic number.

It is an amenable number.

810164007892 is a deficient number, since it is larger than the sum of its proper divisors (607657915808).

810164007892 is a wasteful number, since it uses less digits than its factorization.

810164007892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987130 (or 4987128 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 810164007892 in words is "eight hundred ten billion, one hundred sixty-four million, seven thousand, eight hundred ninety-two".

Divisors: 1 2 4 40949 81898 163796 4946177 9892354 19784708 202541001973 405082003946 810164007892