Base | Representation |
---|---|
bin | 101000100101111… |
… | …111100000100111 |
3 | 1202110111211100211 |
4 | 220211333200213 |
5 | 2343322014403 |
6 | 151325120251 |
7 | 22606545661 |
oct | 5045774047 |
9 | 1673454324 |
10 | 681048103 |
11 | 31a48557a |
12 | 1700b9087 |
13 | ab135058 |
14 | 66643531 |
15 | 3ebcc06d |
hex | 2897f827 |
681048103 has 8 divisors (see below), whose sum is σ = 728646320. Its totient is φ = 634625280.
The previous prime is 681048077. The next prime is 681048107. The reversal of 681048103 is 301840186.
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 681048103 - 229 = 144177191 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 (681048107) 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, 292650 + ... + 294967.
It is an arithmetic number, because the mean of its divisors is an integer number (91080790).
Almost surely, 2681048103 is an apocalyptic number.
681048103 is a deficient number, since it is larger than the sum of its proper divisors (47598217).
681048103 is a wasteful number, since it uses less digits than its factorization.
681048103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 587697.
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 681048103 is about 26096.8983406075. The cubic root of 681048103 is about 879.8174996028.
Adding to 681048103 its reverse (301840186), we get a palindrome (982888289).
The spelling of 681048103 in words is "six hundred eighty-one million, forty-eight thousand, one hundred three".
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