Base | Representation |
---|---|
bin | 11000110110101100… |
… | …011010001010110001 |
3 | 2112212220002010222100 |
4 | 120312230122022301 |
5 | 414123434234321 |
6 | 20132055531013 |
7 | 1633224166344 |
oct | 306654321261 |
9 | 75786063870 |
10 | 26687414961 |
11 | 10355393949 |
12 | 5209689a69 |
13 | 2693cc76cc |
14 | 141251445b |
15 | a62ddc326 |
hex | 636b1a2b1 |
26687414961 has 12 divisors (see below), whose sum is σ = 38550290688. Its totient is φ = 17790778104.
The previous prime is 26687414927. The next prime is 26687414969. The reversal of 26687414961 is 16941478662.
26687414961 is a `hidden beast` number, since 2 + 66 + 87 + 414 + 96 + 1 = 666.
It is not a de Polignac number, because 26687414961 - 219 = 26686890673 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 26687414898 and 26687414907.
It is not an unprimeable number, because it can be changed into a prime (26687414969) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181696 + ... + 293918.
It is an arithmetic number, because the mean of its divisors is an integer number (3212524224).
Almost surely, 226687414961 is an apocalyptic number.
It is an amenable number.
26687414961 is a deficient number, since it is larger than the sum of its proper divisors (11862875727).
26687414961 is a wasteful number, since it uses less digits than its factorization.
26687414961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138652 (or 138649 counting only the distinct ones).
The product of its digits is 3483648, while the sum is 54.
The spelling of 26687414961 in words is "twenty-six billion, six hundred eighty-seven million, four hundred fourteen thousand, nine hundred sixty-one".
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