Base | Representation |
---|---|
bin | 110000101110010000… |
… | …0001100010111000111 |
3 | 101000001220222120000001 |
4 | 1201130200030113013 |
5 | 3203241034030330 |
6 | 120022240502131 |
7 | 10362600112333 |
oct | 1413440142707 |
9 | 330056876001 |
10 | 104631158215 |
11 | 40412619891 |
12 | 1834091a947 |
13 | 9b36118c4c |
14 | 50c814c7c3 |
15 | 2ac5ad49ca |
hex | 185c80c5c7 |
104631158215 has 4 divisors (see below), whose sum is σ = 125557389864. Its totient is φ = 83704926568.
The previous prime is 104631158213. The next prime is 104631158227. The reversal of 104631158215 is 512851136401.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 512851136401 = 131 ⋅3914894171.
It is a cyclic number.
It is not a de Polignac number, because 104631158215 - 21 = 104631158213 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 (104631158213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10463115817 + ... + 10463115826.
It is an arithmetic number, because the mean of its divisors is an integer number (31389347466).
Almost surely, 2104631158215 is an apocalyptic number.
104631158215 is a deficient number, since it is larger than the sum of its proper divisors (20926231649).
104631158215 is an equidigital number, since it uses as much as digits as its factorization.
104631158215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20926231648.
The product of its (nonzero) digits is 28800, while the sum is 37.
The spelling of 104631158215 in words is "one hundred four billion, six hundred thirty-one million, one hundred fifty-eight thousand, two hundred fifteen".
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