Base | Representation |
---|---|
bin | 1001001111010110111… |
… | …0001000000000000000 |
3 | 120011201221211012001102 |
4 | 2103311232020000000 |
5 | 10100100240110333 |
6 | 200531425353532 |
7 | 14316521026052 |
oct | 2236556100000 |
9 | 504657735042 |
10 | 158741331968 |
11 | 6135a38624a |
12 | 269221988a8 |
13 | 11c7a57383b |
14 | 797c6b18d2 |
15 | 41e1213ae8 |
hex | 24f5b88000 |
158741331968 has 144 divisors (see below), whose sum is σ = 332734891815. Its totient is φ = 75728486400.
The previous prime is 158741331941. The next prime is 158741331977. The reversal of 158741331968 is 869133147851.
It is a happy number.
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.
It can be written as a sum of positive squares in only one way, i.e., 79370665984 + 79370665984 = 281728^2 + 281728^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=281728.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2235793373 + ... + 2235793443.
Almost surely, 2158741331968 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 158741331968
158741331968 is an abundant number, since it is smaller than the sum of its proper divisors (173993559847).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158741331968 is an frugal number, since it uses more digits than its factorization.
158741331968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 234 (or 104 counting only the distinct ones).
The product of its digits is 4354560, while the sum is 56.
The spelling of 158741331968 in words is "one hundred fifty-eight billion, seven hundred forty-one million, three hundred thirty-one thousand, nine hundred sixty-eight".
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