Base | Representation |
---|---|
bin | 1100011000100… |
… | …01110010101101 |
3 | 21020110202011211 |
4 | 12030101302231 |
5 | 203043210101 |
6 | 14150314421 |
7 | 2400660454 |
oct | 614216255 |
9 | 236422154 |
10 | 103881901 |
11 | 53703012 |
12 | 2a958a11 |
13 | 186a26a6 |
14 | db21b9b |
15 | 91bec51 |
hex | 6311cad |
103881901 has 4 divisors (see below), whose sum is σ = 103907232. Its totient is φ = 103856572.
The previous prime is 103881881. The next prime is 103881923. The reversal of 103881901 is 109188301.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 109188301 = 1913 ⋅57077.
It is a cyclic number.
It is not a de Polignac number, because 103881901 - 27 = 103881773 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103881931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4945 + ... + 15238.
It is an arithmetic number, because the mean of its divisors is an integer number (25976808).
Almost surely, 2103881901 is an apocalyptic number.
It is an amenable number.
103881901 is a deficient number, since it is larger than the sum of its proper divisors (25331).
103881901 is an equidigital number, since it uses as much as digits as its factorization.
103881901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25330.
The product of its (nonzero) digits is 1728, while the sum is 31.
The square root of 103881901 is about 10192.2471025775. The cubic root of 103881901 is about 470.0888635354.
The spelling of 103881901 in words is "one hundred three million, eight hundred eighty-one thousand, nine hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •