Base | Representation |
---|---|
bin | 11000101010110101… |
… | …011111010100010011 |
3 | 2112101000201122002100 |
4 | 120222311133110103 |
5 | 413222022000010 |
6 | 20100231451443 |
7 | 1625260161300 |
oct | 305265372423 |
9 | 75330648070 |
10 | 26488468755 |
11 | 102630606a1 |
12 | 5172b26b83 |
13 | 2661a1bc68 |
14 | 13d3d280a7 |
15 | a506e02c0 |
hex | 62ad5f513 |
26488468755 has 72 divisors (see below), whose sum is σ = 53493382800. Its totient is φ = 12089976192.
The previous prime is 26488468753. The next prime is 26488468763. The reversal of 26488468755 is 55786488462.
26488468755 is a `hidden beast` number, since 26 + 4 + 88 + 468 + 75 + 5 = 666.
It is not a de Polignac number, because 26488468755 - 21 = 26488468753 is a prime.
It is a super-2 number, since 2×264884687552 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a junction number, because it is equal to n+sod(n) for n = 26488468692 and 26488468701.
It is not an unprimeable number, because it can be changed into a prime (26488468753) by changing a digit.
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 71 ways as a sum of consecutive naturals, for example, 1443981 + ... + 1462209.
It is an arithmetic number, because the mean of its divisors is an integer number (742963650).
Almost surely, 226488468755 is an apocalyptic number.
26488468755 is an abundant number, since it is smaller than the sum of its proper divisors (27004914045).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26488468755 is a wasteful number, since it uses less digits than its factorization.
26488468755 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18913 (or 18903 counting only the distinct ones).
The product of its digits is 103219200, while the sum is 63.
The spelling of 26488468755 in words is "twenty-six billion, four hundred eighty-eight million, four hundred sixty-eight thousand, seven hundred fifty-five".
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