Base | Representation |
---|---|
bin | 10010110010001111… |
… | …111110011000100011 |
3 | 1221001201011112220120 |
4 | 102302033332120203 |
5 | 312302110320230 |
6 | 13133253411323 |
7 | 1312561403511 |
oct | 226217763043 |
9 | 57051145816 |
10 | 20170401315 |
11 | 8610736059 |
12 | 3aab039b43 |
13 | 1b95a9a80c |
14 | d94ba14b1 |
15 | 7d0bca310 |
hex | 4b23fe623 |
20170401315 has 16 divisors (see below), whose sum is σ = 34171033248. Its totient is φ = 10124750336.
The previous prime is 20170401301. The next prime is 20170401323. The reversal of 20170401315 is 51310407102.
It is a cyclic number.
It is not a de Polignac number, because 20170401315 - 214 = 20170384931 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39549552 + ... + 39550061.
It is an arithmetic number, because the mean of its divisors is an integer number (2135689578).
Almost surely, 220170401315 is an apocalyptic number.
20170401315 is a deficient number, since it is larger than the sum of its proper divisors (14000631933).
20170401315 is a wasteful number, since it uses less digits than its factorization.
20170401315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79099638.
The product of its (nonzero) digits is 840, while the sum is 24.
Adding to 20170401315 its reverse (51310407102), we get a palindrome (71480808417).
The spelling of 20170401315 in words is "twenty billion, one hundred seventy million, four hundred one thousand, three hundred fifteen".
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