Base | Representation |
---|---|
bin | 1101000001001… |
… | …11001010001101 |
3 | 21121111120010001 |
4 | 12200213022031 |
5 | 210424243201 |
6 | 14500444301 |
7 | 2464201132 |
oct | 640471215 |
9 | 247446101 |
10 | 109212301 |
11 | 56713900 |
12 | 306a9691 |
13 | 1981a983 |
14 | 1070c589 |
15 | 98c4301 |
hex | 682728d |
109212301 has 12 divisors (see below), whose sum is σ = 127107036. Its totient is φ = 93441920.
The previous prime is 109212251. The next prime is 109212317. The reversal of 109212301 is 103212901.
It can be written as a sum of positive squares in 2 ways, for example, as 84162276 + 25050025 = 9174^2 + 5005^2 .
It is not a de Polignac number, because 109212301 - 223 = 100823693 is a prime.
It is a super-3 number, since 3×1092123013 (a number of 25 digits) contains 333 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109212391) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24490 + ... + 28603.
It is an arithmetic number, because the mean of its divisors is an integer number (10592253).
Almost surely, 2109212301 is an apocalyptic number.
109212301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
109212301 is a deficient number, since it is larger than the sum of its proper divisors (17894735).
109212301 is a wasteful number, since it uses less digits than its factorization.
109212301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53132 (or 53121 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 19.
The square root of 109212301 is about 10450.4689368468. The cubic root of 109212301 is about 477.9955488810.
The spelling of 109212301 in words is "one hundred nine million, two hundred twelve thousand, three hundred one".
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