Base | Representation |
---|---|
bin | 11000011110011011… |
… | …000111110001111111 |
3 | 2111211111220000020102 |
4 | 120132123013301333 |
5 | 412310214330030 |
6 | 20023432311315 |
7 | 1620151161254 |
oct | 303633076177 |
9 | 74744800212 |
10 | 26280230015 |
11 | 10166560866 |
12 | 511524253b |
13 | 262a83b980 |
14 | 13b43dd42b |
15 | a3c2a9c45 |
hex | 61e6c7c7f |
26280230015 has 32 divisors (see below), whose sum is σ = 34441322496. Its totient is φ = 19135025280.
The previous prime is 26280230003. The next prime is 26280230029. The reversal of 26280230015 is 51003208262.
It is not a de Polignac number, because 26280230015 - 212 = 26280225919 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 26280230015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1335800 + ... + 1355330.
It is an arithmetic number, because the mean of its divisors is an integer number (1076291328).
Almost surely, 226280230015 is an apocalyptic number.
26280230015 is a deficient number, since it is larger than the sum of its proper divisors (8161092481).
26280230015 is a wasteful number, since it uses less digits than its factorization.
26280230015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19839.
The product of its (nonzero) digits is 5760, while the sum is 29.
Adding to 26280230015 its reverse (51003208262), we get a palindrome (77283438277).
The spelling of 26280230015 in words is "twenty-six billion, two hundred eighty million, two hundred thirty thousand, fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •