Base | Representation |
---|---|
bin | 1110110010111… |
… | …10010001011001 |
3 | 22122112212000212 |
4 | 13121132101121 |
5 | 223233234410 |
6 | 20152140505 |
7 | 3034662236 |
oct | 731362131 |
9 | 278485025 |
10 | 124118105 |
11 | 64074851 |
12 | 35697735 |
13 | 1c939487 |
14 | 126ac78d |
15 | ad6ab05 |
hex | 765e459 |
124118105 has 8 divisors (see below), whose sum is σ = 157703112. Its totient is φ = 93453568.
The previous prime is 124118101. The next prime is 124118131. The reversal of 124118105 is 501811421.
It can be written as a sum of positive squares in 4 ways, for example, as 65626201 + 58491904 = 8101^2 + 7648^2 .
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 124118105 - 22 = 124118101 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (124118101) 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, 730022 + ... + 730191.
It is an arithmetic number, because the mean of its divisors is an integer number (19712889).
Almost surely, 2124118105 is an apocalyptic number.
It is an amenable number.
124118105 is a deficient number, since it is larger than the sum of its proper divisors (33585007).
124118105 is a wasteful number, since it uses less digits than its factorization.
124118105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1460235.
The product of its (nonzero) digits is 320, while the sum is 23.
The square root of 124118105 is about 11140.8305345697. The cubic root of 124118105 is about 498.8213638166.
Adding to 124118105 its reverse (501811421), we get a palindrome (625929526).
The spelling of 124118105 in words is "one hundred twenty-four million, one hundred eighteen thousand, one hundred five".
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