Base | Representation |
---|---|
bin | 1011110010100… |
… | …11111110011101 |
3 | 20220010011011101 |
4 | 11321103332131 |
5 | 200310110414 |
6 | 13451553101 |
7 | 2310502444 |
oct | 571237635 |
9 | 226104141 |
10 | 98910109 |
11 | 509176a1 |
12 | 2915b791 |
13 | 176516bc |
14 | d1c9d5b |
15 | 8a3ba74 |
hex | 5e53f9d |
98910109 has 8 divisors (see below), whose sum is σ = 101040192. Its totient is φ = 96801120.
The previous prime is 98910107. The next prime is 98910113. The reversal of 98910109 is 90101989.
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 98910109 - 21 = 98910107 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 (98910101) 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, 4392 + ... + 14734.
It is an arithmetic number, because the mean of its divisors is an integer number (12630024).
Almost surely, 298910109 is an apocalyptic number.
It is an amenable number.
98910109 is a deficient number, since it is larger than the sum of its proper divisors (2130083).
98910109 is a wasteful number, since it uses less digits than its factorization.
98910109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10547.
The product of its (nonzero) digits is 5832, while the sum is 37.
The square root of 98910109 is about 9945.3561524965. The cubic root of 98910109 is about 462.4664445098.
The spelling of 98910109 in words is "ninety-eight million, nine hundred ten thousand, one hundred nine".
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