Base | Representation |
---|---|
bin | 1011111010111… |
… | …01110110000100 |
3 | 20222011110222200 |
4 | 11331131312010 |
5 | 201044432413 |
6 | 13531154500 |
7 | 2322656406 |
oct | 575356604 |
9 | 228143880 |
10 | 99999108 |
11 | 514a08a0 |
12 | 295a5a30 |
13 | 17943291 |
14 | d3d0b76 |
15 | 8ba4573 |
hex | 5f5dd84 |
99999108 has 72 divisors (see below), whose sum is σ = 279945120. Its totient is φ = 29842560.
The previous prime is 99999103. The next prime is 99999113. The reversal of 99999108 is 80199999.
It is an interprime number because it is at equal distance from previous prime (99999103) and next prime (99999113).
It is not an unprimeable number, because it can be changed into a prime (99999103) 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, 24648 + ... + 28416.
Almost surely, 299999108 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 99999108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139972560).
99999108 is an abundant number, since it is smaller than the sum of its proper divisors (179946012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99999108 is a wasteful number, since it uses less digits than its factorization.
99999108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3857 (or 3852 counting only the distinct ones).
The product of its (nonzero) digits is 472392, while the sum is 54.
The square root of 99999108 is about 9999.9553999005. The cubic root of 99999108 is about 464.1575032581.
The spelling of 99999108 in words is "ninety-nine million, nine hundred ninety-nine thousand, one hundred eight".
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