Base | Representation |
---|---|
bin | 10010111000101… |
… | …00010010100101 |
3 | 102001002110202111 |
4 | 21130110102211 |
5 | 311023334320 |
6 | 23415241021 |
7 | 3632350210 |
oct | 1134242245 |
9 | 361073674 |
10 | 158418085 |
11 | 81471941 |
12 | 45079171 |
13 | 26a88717 |
14 | 1707a777 |
15 | dd93a5a |
hex | 97144a5 |
158418085 has 16 divisors (see below), whose sum is σ = 218244096. Its totient is φ = 108137088.
The previous prime is 158418077. The next prime is 158418133. The reversal of 158418085 is 580814851.
It is a cyclic number.
It is not a de Polignac number, because 158418085 - 23 = 158418077 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2344 + ... + 17953.
It is an arithmetic number, because the mean of its divisors is an integer number (13640256).
Almost surely, 2158418085 is an apocalyptic number.
It is an amenable number.
158418085 is a deficient number, since it is larger than the sum of its proper divisors (59826011).
158418085 is a wasteful number, since it uses less digits than its factorization.
158418085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20532.
The product of its (nonzero) digits is 51200, while the sum is 40.
The square root of 158418085 is about 12586.4246313240. The cubic root of 158418085 is about 541.0884367915.
The spelling of 158418085 in words is "one hundred fifty-eight million, four hundred eighteen thousand, eighty-five".
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