Base | Representation |
---|---|
bin | 10010110101100… |
… | …01001001101000 |
3 | 102000022211201121 |
4 | 21122301021220 |
5 | 310422341013 |
6 | 23402425024 |
7 | 3626036260 |
oct | 1132611150 |
9 | 360284647 |
10 | 158012008 |
11 | 81214840 |
12 | 44b02174 |
13 | 2697593b |
14 | 16db27a0 |
15 | dd1358d |
hex | 96b1268 |
158012008 has 128 divisors (see below), whose sum is σ = 398131200. Its totient is φ = 56908800.
The previous prime is 158011993. The next prime is 158012011. The reversal of 158012008 is 800210851.
158012008 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 827193 + ... + 827383.
It is an arithmetic number, because the mean of its divisors is an integer number (3110400).
Almost surely, 2158012008 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 158012008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199065600).
158012008 is an abundant number, since it is smaller than the sum of its proper divisors (240119192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158012008 is a wasteful number, since it uses less digits than its factorization.
158012008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311 (or 307 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 25.
The square root of 158012008 is about 12570.2827334949. The cubic root of 158012008 is about 540.6257127325.
Adding to 158012008 its reverse (800210851), we get a palindrome (958222859).
The spelling of 158012008 in words is "one hundred fifty-eight million, twelve thousand, eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •