Base | Representation |
---|---|
bin | 11000101010110001… |
… | …101111011110110110 |
3 | 2112100221212201112110 |
4 | 120222301233132312 |
5 | 413221244031030 |
6 | 20100154431450 |
7 | 1625245630251 |
oct | 305261573666 |
9 | 75327781473 |
10 | 26487486390 |
11 | 1026254a622 |
12 | 5172732586 |
13 | 2661766a91 |
14 | 13d3b50098 |
15 | a505991b0 |
hex | 62ac6f7b6 |
26487486390 has 32 divisors (see below), whose sum is σ = 64225334880. Its totient is φ = 6990511104.
The previous prime is 26487486379. The next prime is 26487486413. The reversal of 26487486390 is 9368478462.
26487486390 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 26487486390.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4548205 + ... + 4554024.
It is an arithmetic number, because the mean of its divisors is an integer number (2007041715).
Almost surely, 226487486390 is an apocalyptic number.
26487486390 is an abundant number, since it is smaller than the sum of its proper divisors (37737848490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26487486390 is a wasteful number, since it uses less digits than its factorization.
26487486390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9102336.
The product of its (nonzero) digits is 13934592, while the sum is 57.
The spelling of 26487486390 in words is "twenty-six billion, four hundred eighty-seven million, four hundred eighty-six thousand, three hundred ninety".
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