Base | Representation |
---|---|
bin | 10010110110010… |
… | …11100010000111 |
3 | 102000112022221221 |
4 | 21123023202013 |
5 | 310434320241 |
6 | 23405021211 |
7 | 3626666314 |
oct | 1133134207 |
9 | 360468857 |
10 | 158120071 |
11 | 81288a4a |
12 | 44b54807 |
13 | 269b2b95 |
14 | 16dddd0b |
15 | dd355d1 |
hex | 96cb887 |
158120071 has 8 divisors (see below), whose sum is σ = 167080320. Its totient is φ = 149223672.
The previous prime is 158120069. The next prime is 158120089. The reversal of 158120071 is 170021851.
158120071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 158120071 - 21 = 158120069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (158120051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10825 + ... + 20818.
It is an arithmetic number, because the mean of its divisors is an integer number (20885040).
Almost surely, 2158120071 is an apocalyptic number.
158120071 is a deficient number, since it is larger than the sum of its proper divisors (8960249).
158120071 is a wasteful number, since it uses less digits than its factorization.
158120071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31925.
The product of its (nonzero) digits is 560, while the sum is 25.
The square root of 158120071 is about 12574.5803508507. The cubic root of 158120071 is about 540.7489276793.
The spelling of 158120071 in words is "one hundred fifty-eight million, one hundred twenty thousand, seventy-one".
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