Base | Representation |
---|---|
bin | 11000011111111110… |
… | …011010111010010111 |
3 | 2111220022212111112022 |
4 | 120133332122322113 |
5 | 412333400320011 |
6 | 20030202243355 |
7 | 1620615345260 |
oct | 303776327227 |
9 | 74808774468 |
10 | 26306260631 |
11 | 1017a21aa72 |
12 | 5121ab655b |
13 | 2633053cc1 |
14 | 13b7a57967 |
15 | a3e6ec8db |
hex | 61ff9ae97 |
26306260631 has 16 divisors (see below), whose sum is σ = 30849561600. Its totient is φ = 21963826080.
The previous prime is 26306260609. The next prime is 26306260657. The reversal of 26306260631 is 13606260362.
It is not a de Polignac number, because 26306260631 - 210 = 26306259607 is a prime.
It is a super-2 number, since 2×263062606312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 26306260591 and 26306260600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26306260601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120056 + ... + 258893.
It is an arithmetic number, because the mean of its divisors is an integer number (1928097600).
Almost surely, 226306260631 is an apocalyptic number.
26306260631 is a deficient number, since it is larger than the sum of its proper divisors (4543300969).
26306260631 is a wasteful number, since it uses less digits than its factorization.
26306260631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 379214.
The product of its (nonzero) digits is 46656, while the sum is 35.
The spelling of 26306260631 in words is "twenty-six billion, three hundred six million, two hundred sixty thousand, six hundred thirty-one".
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