Base | Representation |
---|---|
bin | 1110101111111… |
… | …0100100000111 |
3 | 11022101211002221 |
4 | 3223332210013 |
5 | 111314010403 |
6 | 10045513211 |
7 | 1350542104 |
oct | 353764407 |
9 | 138354087 |
10 | 61860103 |
11 | 31a11458 |
12 | 18872807 |
13 | ca7b816 |
14 | 8303aab |
15 | 566ddbd |
hex | 3afe907 |
61860103 has 8 divisors (see below), whose sum is σ = 65555280. Its totient is φ = 58269120.
The previous prime is 61860091. The next prime is 61860107. The reversal of 61860103 is 30106816.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61860103 - 29 = 61859591 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 (61860107) 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, 24825 + ... + 27202.
It is an arithmetic number, because the mean of its divisors is an integer number (8194410).
Almost surely, 261860103 is an apocalyptic number.
61860103 is a deficient number, since it is larger than the sum of its proper divisors (3695177).
61860103 is a wasteful number, since it uses less digits than its factorization.
61860103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52097.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 61860103 is about 7865.1193887951. The cubic root of 61860103 is about 395.4912501401.
Adding to 61860103 its reverse (30106816), we get a palindrome (91966919).
The spelling of 61860103 in words is "sixty-one million, eight hundred sixty thousand, one hundred three".
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