Base | Representation |
---|---|
bin | 1110011101111… |
… | …11001000001111 |
3 | 22110101012002222 |
4 | 13032333020033 |
5 | 222032302403 |
6 | 20013205555 |
7 | 3002422532 |
oct | 716771017 |
9 | 273335088 |
10 | 121369103 |
11 | 62567449 |
12 | 347908bb |
13 | 1c1b614b |
14 | 12194a19 |
15 | a9c6338 |
hex | 73bf20f |
121369103 has 8 divisors (see below), whose sum is σ = 128604672. Its totient is φ = 114144256.
The previous prime is 121369063. The next prime is 121369109. The reversal of 121369103 is 301963121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121369103 - 28 = 121368847 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 (121369109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43826 + ... + 46512.
It is an arithmetic number, because the mean of its divisors is an integer number (16075584).
Almost surely, 2121369103 is an apocalyptic number.
121369103 is a deficient number, since it is larger than the sum of its proper divisors (7235569).
121369103 is a wasteful number, since it uses less digits than its factorization.
121369103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5361.
The product of its (nonzero) digits is 972, while the sum is 26.
The square root of 121369103 is about 11016.7646339567. The cubic root of 121369103 is about 495.1111582488. Note that the first 4 decimals are identical.
The spelling of 121369103 in words is "one hundred twenty-one million, three hundred sixty-nine thousand, one hundred three".
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