Base | Representation |
---|---|
bin | 1011111010111… |
… | …01110110110111 |
3 | 20222011111001120 |
4 | 11331131312313 |
5 | 201044433114 |
6 | 13531155023 |
7 | 2322656511 |
oct | 575356667 |
9 | 228144046 |
10 | 99999159 |
11 | 514a0937 |
12 | 295a5a73 |
13 | 17943300 |
14 | d3d0bb1 |
15 | 8ba45a9 |
hex | 5f5ddb7 |
99999159 has 24 divisors (see below), whose sum is σ = 146868480. Its totient is φ = 60476832.
The previous prime is 99999157. The next prime is 99999167. The reversal of 99999159 is 95199999.
It is not a de Polignac number, because 99999159 - 21 = 99999157 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99999157) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28242 + ... + 31584.
It is an arithmetic number, because the mean of its divisors is an integer number (6119520).
Almost surely, 299999159 is an apocalyptic number.
99999159 is a deficient number, since it is larger than the sum of its proper divisors (46869321).
99999159 is a wasteful number, since it uses less digits than its factorization.
99999159 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3431 (or 3418 counting only the distinct ones).
The product of its digits is 2657205, while the sum is 60.
The square root of 99999159 is about 9999.9579499116. The cubic root of 99999159 is about 464.1575821656.
The spelling of 99999159 in words is "ninety-nine million, nine hundred ninety-nine thousand, one hundred fifty-nine".
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