Base | Representation |
---|---|
bin | 1001011110100000011… |
… | …1110101010000001000 |
3 | 120120020101021022110212 |
4 | 2113220013311100020 |
5 | 10131412342012232 |
6 | 202443143500252 |
7 | 14522352334262 |
oct | 2275007652010 |
9 | 516211238425 |
10 | 162808157192 |
11 | 63056a6222a |
12 | 27678157688 |
13 | 12477c919b5 |
14 | 7c4685cb32 |
15 | 437d288eb2 |
hex | 25e81f5408 |
162808157192 has 12 divisors (see below), whose sum is σ = 305267434605. Its totient is φ = 81403507968.
The previous prime is 162808157189. The next prime is 162808157221. The reversal of 162808157192 is 291751808261.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
162808157192 is digitally balanced in base 3, 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 102511390276 + 60296766916 = 320174^2 + 245554^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=285314.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 162808157192.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1069928 + ... + 1212584.
Almost surely, 2162808157192 is an apocalyptic number.
It is an amenable number.
162808157192 is a deficient number, since it is larger than the sum of its proper divisors (142459277413).
162808157192 is an frugal number, since it uses more digits than its factorization.
162808157192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285320 (or 142659 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 50.
Multiplying 162808157192 by its sum of digits (50), we get a square (8140407859600 = 28531402).
The spelling of 162808157192 in words is "one hundred sixty-two billion, eight hundred eight million, one hundred fifty-seven thousand, one hundred ninety-two".
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